Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
nhung don » nhung van, nhung bo
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
van thanh » ban thanh, van tuan
thanh cac » hanh cac, thanh bac, thanh ca
chi sang » chi lang, chieu sang, chi chang
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sang - canh tranh luan ((nhung don) or (((hang cong) OR (dang cong)))) van thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sang - canh tranh luan ((nhung don) OR (((hang cong) OR (dang cong)))) van thanh cac*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi sang - canh tranh luan ((nhung don) or (((hang cong) OR (dang cong)))) van thanh cac*".