Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
sang luan » hang luan, san luan, bang luan
tang luan » dung luan
ho chieu » theo chieu, hoc thieu, mot chieu
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan cao » doanh cao, toan cao, doan cap

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 (doi chieu)) xanh - tinh ((sang luan) or (tang luan)) nhung cong tap doan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - tinh ((sang luan) OR (tang luan)) nhung cong tap doan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) xanh - tinh ((sang luan) or (tang luan)) nhung cong tap doan cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) xanh - tinh ((sang luan) or (tang luan)) nhung cong tap doan cao*.