Perhaps you should try some spelling variations:
theo chieu » theo tieu, thi chieu
canh trinh » canh tranh, hanh trinh, canh tinh
trinh vat » trinh van, trinh luat, sinh vat
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » hoc thieu, doi chieu, mot chieu
theo chu » cho chu, chao chu, theo yeu
vat dung » van dung, va dung, viet dung
toan cau » toan cao, toan ban, toan tap

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 (((theo chu) or (theo chieu)))) xanh - canh trinh vat dung cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((theo chu) OR (theo chieu)))) xanh - canh trinh vat dung cong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((theo chu) or (theo chieu)))) xanh - canh trinh vat dung cong manh toan cau*.