Perhaps you should try some spelling variations:
thanh phuong » thanh huong, thanh chuong, khanh phong
phuong cao » phung cao, phuong thao, phuong cham
nhung cong » dung cong, thong cong, hang cong
cao nhung » cho nhung, cam nhung, cao chung
chinh cau » chinh chau, chinh ca, chinh can
chu sach » thu sach, chieu sach, chuc hach
cau sach » cao sach, hau sach, rau sach
cong dan » cong san, cong tan, huong dan
chan cau » phan cau, can cau, nhanh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu sach) or (cau sach)) - thanh phuong cao nhung cong dan ((chan cau) OR (chinh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sach) OR (cau sach)) - thanh phuong cao nhung cong dan ((chan cau) OR (chinh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sach) or (cau sach)) - thanh phuong cao nhung cong dan ((chan cau) OR (chinh cau))".
• Adding a wildcard symbol may retrieve word variants: theo ((chu sach) or (cau sach)) - thanh phuong cao nhung cong dan ((chan cau) OR (chinh cau))*.