Perhaps you should try some spelling variations:
thien van » thi van
thanh ha » thanh hoa, thanh hai, nhanh ha
van tham » van thanh, van tuan, van chat
te sach » toc sach
cuu tre » cua tre, cau tren, cau treo
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
loc va » hoc va, luc va
soc va » hoc va, doc va, goc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. thien van tham ((soc va) or (loc va)) ((hanh vi) or (thanh ha)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. thien van tham ((soc va) OR (loc va)) ((hanh vi) OR (thanh ha)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. thien van tham ((soc va) or (loc va)) ((hanh vi) or (thanh ha)) cuu tre*.