Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
mot chieu » doi chieu, ho chieu
nang cong » nang song, dang cong, bang cong
trung va » truong va, trang va, trung ha
cong dan » cong san, cong tan, huong dan
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (theo chieu)) sach - thanh trung va nang cong dan ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) sach - thanh trung va nang cong dan ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) sach - thanh trung va nang cong dan ((toan ban) or (van ban))*.