Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
chi lang » chi van, hoi lang, chi dan
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than
thi lan » thi hanh, thi nang, thi lien

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chi lang) or (thi lan)) - hanh tranh cua nhung cong ((dan toan) OR (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chi lang) OR (thi lan)) - hanh tranh cua nhung cong ((dan toan) OR (dan than)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chi lang) or (thi lan)) - hanh tranh cua nhung cong ((dan toan) OR (dan than)) cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chi lang) or (thi lan)) - hanh tranh cua nhung cong ((dan toan) OR (dan than)) cao*.