Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
trang va » hang va
tran van » luan van
cong ban » cong bang, cong san, cong tan
ban hanh » ban hang
hanh cap » hanh cac, hanh cat, hanh cad

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc hien)) xanh - thanh ((trang va) OR (tran van)) nhung cong ban hanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc hien)) xanh - thanh ((trang va) OR (tran van)) nhung cong ban hanh cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc hien)) xanh - thanh ((trang va) OR (tran van)) nhung cong ban hanh cap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc hien)) xanh - thanh ((trang va) OR (tran van)) nhung cong ban hanh cap*.