Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
tong cong » trong cong, cong cong, dung cong
chang dau » chang dam, phan dau, xang dau
ho chieu » theo chieu, doi chieu, mot chieu
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan
hang dau » hang va, hang tai

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