Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
trung cong » truong cong, trong cong, trung uong
cua trung » cua truong, xuan trung, cua nhung
nhanh cau » nhanh cay, thanh chau, nhanh ha
chinh cau » chinh chau, chinh ca, chinh can
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh

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 trung) OR (thanh tung)) cua trung cong tan ((nhanh cau) or (chinh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh trung) OR (thanh tung)) cua trung cong tan ((nhanh cau) OR (chinh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((thanh trung) OR (thanh tung)) cua trung cong tan ((nhanh cau) or (chinh cau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh trung) OR (thanh tung)) cua trung cong tan ((nhanh cau) or (chinh cau))*.