| Olympic Games | 2016-09-13 21:02:23 |
| soccer | 2016-09-13 21:02:23 |
| athletics | 2016-09-13 21:02:23 |
| sports | 2016-09-13 21:02:23 |
| sport | 2016-09-13 21:01:47 |
| political parties | 2016-09-13 21:00:50 |
| elections | 2016-09-13 21:00:50 |
| water supply | 2016-09-13 21:00:03 |
| justice | 2016-09-13 20:59:35 |
| family | 2016-09-13 20:59:35 |
| demography | 2016-09-13 20:59:35 |
| use of new technologies | 2016-09-13 20:59:35 |
| resources | 2016-09-13 20:59:35 |
| religion | 2016-09-13 20:59:35 |
| policy | 2016-09-13 20:59:35 |
| poverty | 2016-09-13 20:59:35 |
| society | 2016-09-13 20:58:37 |
| diseases | 2016-09-13 20:57:14 |
| health | 2016-09-13 20:57:00 |
| vaccines | 2016-09-13 20:56:18 |
| public health | 2016-09-13 20:55:36 |
| AIDS | 2016-09-13 20:54:39 |
| HIV | 2016-09-13 20:54:12 |
| malaria | 2016-09-13 20:52:40 |
| virus | 2016-09-13 20:51:15 |
| epidemics | 2016-09-13 20:51:15 |
| health organisations | 2016-09-13 20:50:28 |
| health facility | 2016-09-13 20:50:28 |
| non-human diseases | 2016-09-13 20:50:28 |
| waste | 2016-09-13 20:48:01 |
| water pollution | 2016-09-13 20:48:01 |
| air pollution | 2016-09-13 20:48:01 |
| Tanganika lake | 2016-09-13 20:47:11 |
| natural resources | 2016-09-13 20:46:52 |
| nature | 2016-09-13 20:46:20 |
| environmental pollution | 2016-09-13 20:46:20 |
| climate | 2016-09-13 20:46:20 |
| environment | 2016-09-13 20:44:42 |
| Higher Education | 2016-09-13 20:43:51 |
| secondary education | 2016-09-13 20:43:51 |
| primary school | 2016-09-13 20:43:51 |
| elementary school | 2016-09-13 20:43:51 |
| school | 2016-09-13 20:42:34 |
| students | 2016-09-13 20:38:33 |
| literacy | 2016-09-13 20:38:33 |
| education | 2016-09-13 20:37:32 |
| Organisation for Economic Co-operation and Development | 2016-09-13 20:36:47 |
| OECD | 2016-09-13 20:36:08 |
| Gross Domestic Product | 2016-09-13 20:35:39 |
| GDP | 2016-09-13 20:35:24 |