Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
trung qua » trung quan, trung cua, truong quan
trong qua » trong quan, thong qua, trong nha
dung lam » dung luan, dung tai, dung dat
lam thoi » lam thuoc, ly thoi, cac thoi
thoi cap » thi cap, thong cap, thoai cac
hieu ca » hieu cac, hieu cua, hieu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu sach) or (hieu ca)) - thanh ((trung qua) or (trong qua)) ung dung lam thoi cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu sach) OR (hieu ca)) - thanh ((trung qua) OR (trong qua)) ung dung lam thoi cap.
• Adding a wildcard symbol may retrieve word variants: toc ((thieu sach) or (hieu ca)) - thanh ((trung qua) or (trong qua)) ung dung lam thoi cap*.