Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hang doanh » nhung doanh, van doanh, dung doanh
hanh doanh » chinh doanh, doanh doanh, kinh doanh
toc chieu » toc thieu, doc hieu, hoc thieu
dung cong » dung trong
cong anh » cong danh, dong anh, hong anh
tuan tai » toan tai, quan tai, tan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu tinh - ((hang doanh) or (hanh doanh)) ung dung cong anh tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu tinh - ((hang doanh) OR (hanh doanh)) ung dung cong anh tuan tai.
• Adding a wildcard symbol may retrieve word variants: toc chieu tinh - ((hang doanh) or (hanh doanh)) ung dung cong anh tuan tai*.