Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
tung tuan » trung tuan, hung tuan, quang tuan
cong anh » cong danh, dong anh, hong anh
tuan cap » thuan cam, toan cao, toan cau
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - thanh ((tung tuan) or (quan luan)) nhung cong anh ((tuan cap) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((tung tuan) OR (quan luan)) nhung cong anh ((tuan cap) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh ((tung tuan) or (quan luan)) nhung cong anh ((tuan cap) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((tung tuan) or (quan luan)) nhung cong anh ((tuan cap) OR (than cap))*.