| Similarity | Rank | |
|---|---|---|
| common_issue | 0.711 | 90970 |
| common_problem | 0.678 | 56258 |
| challenge_face | 0.672 | 32972 |
| specific_challenge | 0.664 | 92340 |
| challenge_face_by | 0.649 | 66867 |
| current_challenge | 0.636 | 50315 |
| challenge_relate_to | 0.626 | 80453 |
| global_challenge | 0.623 | 41446 |
| challenge_associate_with | 0.617 | 61107 |
| the_major_challenge | 0.611 | 66525 |
| the_challenge_face | 0.607 | 22143 |
| challenge_they_face | 0.607 | 44286 |
| the_key_challenge | 0.602 | 74955 |
| these_challenge | 0.598 | 16957 |
| major_challenge | 0.587 | 94021 |
| the_challenge_face_by | 0.582 | 42818 |
| key_issue | 0.581 | 15544 |
| to_share_good_practice | 0.577 | 78467 |
| challenge_we_face | 0.576 | 47011 |
| share_good_practice | 0.576 | 47481 |
| and_share_good_practice | 0.573 | 71268 |
| issue_face_by | 0.571 | 88072 |
| many_challenge | 0.569 | 34197 |
| good_practice | 0.568 | 2396 |
| future_challenge | 0.564 | 41206 |