Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
hanh tran » hanh trang, thanh tran, hanh tram
dung cong » dung trong
tran van » luan van
ban than » ban thanh, van thanh, ban hang
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 chieu) or (hoc thieu)) sach - hanh tran van ((nhung cong) or (dung cong)) ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) sach - hanh tran van ((nhung cong) OR (dung cong)) ban than cap.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc thieu)) sach - hanh tran van ((nhung cong) or (dung cong)) ban than cap*.