Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
van toan » van tuan, van tan, van thanh
van quan » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) xanh - hanh tranh cua dung cong ((van toan) or (van quan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) xanh - hanh tranh cua dung cong ((van toan) OR (van quan)) cao.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) xanh - hanh tranh cua dung cong ((van toan) or (van quan)) cao*.