Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
hoc sach » hoc sinh, hoc cac, hoc anh
thuc van » thuc vat, thuc dan, thuc va
hieu van » hieu va, thien van, lieu va
tang van » dang van, hoang van, trong van
van hoi » van hoa, van hoc, van hoe
ky tang » ky nang, ky dang, kho tang
van cam » van nam, van lam, van cau
xuc van » duc van, luc van, vuc van
vu sach » vu bach, su sach, vu khach
tai cua » thai cua, tai cuc, tri 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: ((hoc sach) or (vu sach)) ky tang van hoi. hieu van cam ((xuc van) or (thuc van)) thanh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (vu sach)) ky tang van hoi. hieu van cam ((xuc van) OR (thuc van)) thanh tai cua te.
• Adding a wildcard symbol may retrieve word variants: ((hoc sach) or (vu sach)) ky tang van hoi. hieu van cam ((xuc van) or (thuc van)) thanh tai cua te*.