Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
duong cong » dung cong, luong cong, duong trong
mot chieu » doi chieu, ho chieu
trinh va » trinh van, trinh vat, trinh ve
va duong » van duong, va tuong, va huong
cong ban » cong bang, cong san, cong tan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chi)) xanh - canh trinh va duong cong ban ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chi)) xanh - canh trinh va duong cong ban ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chi)) xanh - canh trinh va duong cong ban ((toan cau) or (toan ban))*.