Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » manh cua
doanh cua » doanh luan
cong tac » cong ty
tac van » tac vang, cac van, tac va
van tu » van thu, van du, ban tu

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)) xanh - canh ((tranh cua) or (doanh cua)) nhung cong tac van tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chieu)) xanh - canh ((tranh cua) OR (doanh cua)) nhung cong tac van tu.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chieu)) xanh - canh ((tranh cua) or (doanh cua)) nhung cong tac van tu*.