Perhaps you should try some spelling variations:
thien van » thi van
van thanh » ban thanh, van tuan
thanh tai » thanh hai, thanh toan, doanh tai
toc sach » hoc sach, doc sach, thuoc sach
nang xa » nang x, lang xa, nang ma
nam tuc » nam thuc, nam truc, nam thuoc
tai cua » thai cua, tai cuc, tri cua
nam tu » nam thu, nam thuc
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) or (dac sac)) ky nang xa hoi. thien van ((nam tuc) OR (nam tu)) van thanh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (dac sac)) ky nang xa hoi. thien van ((nam tuc) OR (nam tu)) van thanh tai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) or (dac sac)) ky nang xa hoi. thien van ((nam tuc) OR (nam tu)) van thanh tai cua te*".