Perhaps you should try some spelling variations:
quan trong » gian trong
tang quan » tang luan, nang quan, tong quan
doi chieu » doc hieu, mot chieu, thi chieu
ho chieu » theo chieu, hoc thieu, mot chieu
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap
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: ((ho chieu) or (((doi chieu) or (doi chi)))) xanh - anh tang quan trong cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((doi chieu) OR (doi chi)))) xanh - anh tang quan trong cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((doi chieu) or (doi chi)))) xanh - anh tang quan trong cong tac toan cao*.