Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
nhung don » nhung van, nhung bo
tong cong » trong cong, cong cong, dung cong
sang than » cang thang, dang thanh, sang tao
ho chieu » hoc thieu, doi chieu, mot chieu
trung va » truong va, trang va, trung ha
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: ((ho chieu) OR (theo chieu)) sach - thanh trung va ((nhung don) or (tong cong)) sang than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - thanh trung va ((nhung don) OR (tong cong)) sang than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - thanh trung va ((nhung don) or (tong cong)) sang than cap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) sach - thanh trung va ((nhung don) or (tong cong)) sang than cap*.