Perhaps you should try some spelling variations:
chinh trong » chinh cong
chieu xanh » chieu sach, chieu sang, chieu tinh
lieu quan » lien quan, hieu qua, lieu van
anh trong » anh thuong, dinh trong, lang trong
dang cong » dung cong
van dang » van dong, van dung, van nang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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: theo ((chieu xanh) or (lieu quan)) - ((anh trong) or (chinh trong)) van dang cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (lieu quan)) - ((anh trong) OR (chinh trong)) van dang cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (lieu quan)) - ((anh trong) or (chinh trong)) van dang cong tac toan cau*.