Perhaps you should try some spelling variations:
trinh trong » trinh truong, tranh trong, trinh trung
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
anh trong » anh thuong, dinh trong, lang trong
dung cong » dung trong
thu dung » thuy dung, thuc dung, thu dang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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) or (chieu sach)) - ((anh trong) or (trinh trong)) thu dung cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - ((anh trong) OR (trinh trong)) thu dung cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sach)) - ((anh trong) or (trinh trong)) thu dung cong tac toan tap*.