Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
dung cong » dung trong
ho chieu » theo chieu, doi chieu, mot chieu
cua dung » cua dang, cua dong, qua dung
dan toan » van toan, dan than, manh toan
van tan » van tuan, van ban, van tai

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) or (hoc thieu)) xanh - hanh tranh cua dung cong ((dan toan) or (van tan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - hanh tranh cua dung cong ((dan toan) OR (van tan)) cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - hanh tranh cua dung cong ((dan toan) or (van tan)) cao*.