Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dung cong » dung trong
dang toan » dang tran, dan toan, dung toan
chi hanh » chi nhanh, chi thanh, thi hanh
cua dung » cua dang, cua dong, qua dung
dan than » dan chan, ban than, van than
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 hanh - hanh tranh cua dung cong ((dang toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi hanh - hanh tranh cua dung cong ((dang toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chi hanh - hanh tranh cua dung cong ((dang toan) or (dan than)) cau*.