Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
hoc thieu » hoc hien
cong bang » cuong bang, dong bang, hong bang
bang than » bang thanh, ban than, sang than
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: ((hoc thieu) or (toc thieu)) sach - thanh trung va nhung cong bang than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sach - thanh trung va nhung cong bang than cap.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) sach - thanh trung va nhung cong bang than cap*.