Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
ve trong » le trong, ke trong, te trong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban
le tang » le quang, le trung, le thanh

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 xanh - hanh trinh ((ve trong) or (le tang)) cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh trinh ((ve trong) OR (le tang)) cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh trinh ((ve trong) or (le tang)) cong san toan ban*.