Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hang cong » dang cong, hang nong, bang cong
chinh va » chinh ta, chinh tai, hanh va
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
va hang » van hang, va nang, va lang
tinh » trinh, minh, kinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((trieu (tinh or dinh)) or (chieu xanh)) - hanh chinh va hang cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((trieu (tinh OR dinh)) OR (chieu xanh)) - hanh chinh va hang cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((trieu (tinh or dinh)) or (chieu xanh)) - hanh chinh va hang cong tan toan cau*.