Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
duong manh » duong van
van khang » van khanh, van thanh, van quang
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
toan cau » toan cao, toan ban, toan tap
va nang » van nang, da nang, cam nang

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 xanh - canh tranh ((van khang) or (va nang)) duong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh tranh ((van khang) OR (va nang)) duong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh tranh ((van khang) or (va nang)) duong manh toan cau*.