Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
trung hoc » trung quoc
hang cong » dang cong, hang nong, bang cong
hoc hang » hoc hanh, hoc bang, hoc tang
cong san » cong tac
san than » sang than, san thanh, ban than
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: ((hoc thieu) or (doi chieu)) sach - thanh trung hoc hang cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) sach - thanh trung hoc hang cong san than cap.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chieu)) sach - thanh trung hoc hang cong san than cap*.