Perhaps you should try some spelling variations:
sach tham » sach nha
tham lang » nham nang, pham hang, thai bang
thu sach » tu sach, thuat sach, thuoc sach
thuc day » thuc dan, thuc vat
hanh lai » hanh lam, hanh tai, thanh lap
va triet » va thiet, va trien, ve triet
lang xa » lang ha, dang xay, lang van
thi van » thi lan, thi hanh, thi nang
van cam » van nam, van lam, van cau
xuc va » duc va, tuc va, luc va
lai va » loai va, mai va, dai va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach tham lang xa hoi. thi van cam ((xuc va) or (thuc day)) hanh lai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach tham lang xa hoi. thi van cam ((xuc va) OR (thuc day)) hanh lai va triet.
• Adding a wildcard symbol may retrieve word variants: thu sach tham lang xa hoi. thi van cam ((xuc va) or (thuc day)) hanh lai va triet*.