Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
bang cong » dang cong, bang song, hang cong
ho trieu » mot trieu, 25 trieu, 30 trieu
cua bang » chua bang, cua ban, cua dang
tan toan » tan tran, van toan, dan toan
tap toan » tap doan, tap quan
bai toan » bai tap

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

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