Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
hanh tai » hang tai, han tai, hinh tai
lang van » dang van, tang van, hoang van
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
truc va » thuc va, thuc vat, trung va
xuc va » duc va, tuc va, luc va
va cao » va cac, va co, va dao
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: tu sach _ lang van hoa. hieu va cao ((xuc va) or (truc va)) ((hanh tai) or (thanh tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach _ lang van hoa. hieu va cao ((xuc va) OR (truc va)) ((hanh tai) OR (thanh tai)) cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach _ lang van hoa. hieu va cao ((xuc va) or (truc va)) ((hanh tai) or (thanh tai)) cua te*.