Perhaps you should try some spelling variations:
thien van » thi van
thanh tan » thanh toan, thanh tuan, thanh san
toc sai » toc san, toc dai, thuoc sai
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
tan cua » than cua, tang cua, toan cua
sai ky » sac ky
xac va » tac va, ac va, bac va
tuc va » thuc va, truc va, tuc xa
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sai ky nang xa hoi. thien van cam ((xac va) or (tuc va)) thanh tan cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sai ky nang xa hoi. thien van cam ((xac va) OR (tuc va)) thanh tan cua tu.
• Adding a wildcard symbol may retrieve word variants: toc sai ky nang xa hoi. thien van cam ((xac va) or (tuc va)) thanh tan cua tu*.