Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
hanh tai » thanh tai, hang tai, han tai
tu sach » thu sach, su sach, te sach
tai cua » thai cua, tai cuc, tri cua
van lam » van nam
thi van » thi lan, thi hanh, thi nang
bang va » hang va, ban va, trang va
bang xa » lang xa, mang xa, ang xa
xuc va » duc va, tuc va, luc va
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 thu ((bang xa) or (bang va)) hoi. thi van lam ((xuc va) or (thuc vat)) hanh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thu ((bang xa) OR (bang va)) hoi. thi van lam ((xuc va) OR (thuc vat)) hanh tai cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach thu ((bang xa) or (bang va)) hoi. thi van lam ((xuc va) or (thuc vat)) hanh tai cua te*.