Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung cua » truong cua, trung tuan, trung cap
cong dung » cuong dung, cong dong, cong luong
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » tuong cua, dung cua, tang cua
tran tan » tran tuan, tran thanh, trang tuan
tran van » luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh ((tung cua) or (trung cua)) cong dung tai ((tran tan) or (tran van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((tung cua) OR (trung cua)) cong dung tai ((tran tan) OR (tran van)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((tung cua) or (trung cua)) cong dung tai ((tran tan) or (tran van))*.