Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
truong ham » truong dai, truong cao, truong dao
mot chieu » doi chieu
nang cong » nang song, dang cong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
ham nang » nham nang, cam nang, nam nang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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 (ho chieu)) sach - thanh truong ham nang cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (ho chieu)) sach - thanh truong ham nang cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (ho chieu)) sach - thanh truong ham nang cong dan toan ban*.