Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
bien tinh » bi tinh, yen tinh, diep tinh
cua trong » cua truong, cua trung, ca trong
qua trong » quan trong, qua trinh, qua song
anh bang » anh hoang, anh quang, tinh bang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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 xanh) or (bien tinh)) - anh bang ((cua trong) or (qua trong)) cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (bien tinh)) - anh bang ((cua trong) OR (qua trong)) cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (bien tinh)) - anh bang ((cua trong) or (qua trong)) cong tac toan cao*.