Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
van lam » van nam
duoc va » nuoc va, duoc ma, duong va
danh va » doanh va, hanh va, anh va
va cua » va chua, via cua, ca cua
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: te sach ky tang xa hoi. hieu van lam ((duoc va) or (duc va)) danh va cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky tang xa hoi. hieu van lam ((duoc va) OR (duc va)) danh va cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ky tang xa hoi. hieu van lam ((duoc va) or (duc va)) danh va cua te*.