Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh chua » tranh cua, trinh chuan, tranh chap
doi chieu » doc hieu, doi chi, mot chieu
chua nang » chuc nang, chua xang, kha nang
nang cong » nang song, dang cong, bang cong
dang khoi » dung khoa, hang khoa
ho chieu » theo chieu, hoc thieu, mot chieu
dan thai » dang thai, dan thi, dan than

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 (ho chieu)) xanh - hanh tranh chua nang cong ((dan thai) or (dang khoi)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) xanh - hanh tranh chua nang cong ((dan thai) OR (dang khoi)) cao.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) xanh - hanh tranh chua nang cong ((dan thai) or (dang khoi)) cao*.