Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
tranh ve » trinh ve, thanh ve, tranh va
dan toan » van toan, dan than, xuan toan
ve dung » ve duong, ve rung, va dung

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 ve dung cong ((dan toan) OR (manh toan)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - canh tranh ve dung cong ((dan toan) OR (manh toan)) ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh tranh ve dung cong ((dan toan) OR (manh toan)) ban*.