Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
sang luan » hang luan, san luan, bang luan
tang luan » dung luan
doanh cao » doanh co, doanh bao, doanh cho
ho chieu » theo chieu, hoc thieu, doi chieu
cong tap » cuong tap, cong tac, cong tan
doan cao » toan cao, doan cap, hoang cao

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