Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu
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 hien) or (((doc hieu) or (doi khi)))) sach - thanh trung cua nhung cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (((doc hieu) OR (doi khi)))) sach - thanh trung cua nhung cong san than cap.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (((doc hieu) or (doi khi)))) sach - thanh trung cua nhung cong san than cap*.