Perhaps you should try some spelling variations:
bien tinh » bi tinh, yen tinh, diep tinh
tranh van » tran van, trinh van, thanh van
hang cong » hang nong, thanh cong, thong cong
dang cong » dung cong
bang cong » bang song, dung cong, cong cong
ho bien » pho bien, hoa bien, so bien
san bao » van bao, san bai, san giao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho bien tinh - canh tranh van ((((hang cong) OR (dang cong))) or (bang cong)) san bao cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho bien tinh - canh tranh van ((((hang cong) OR (dang cong))) OR (bang cong)) san bao cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho bien tinh - canh tranh van ((((hang cong) OR (dang cong))) or (bang cong)) san bao cao".
• Adding a wildcard symbol may retrieve word variants: ho bien tinh - canh tranh van ((((hang cong) OR (dang cong))) or (bang cong)) san bao cao*.