Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh luan » trinh luan, trinh luat, doanh luan
nhung don » nhung van, nhung bo
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat 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 tinh - canh tranh luan ((nhung don) or (dung cong)) dan ((than cao) OR (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - canh tranh luan ((nhung don) OR (dung cong)) dan ((than cao) OR (thai cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - canh tranh luan ((nhung don) or (dung cong)) dan ((than cao) OR (thai cao))".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh tranh luan ((nhung don) or (dung cong)) dan ((than cao) OR (thai cao))*.