Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh quan
canh doanh » hanh doanh, chinh doanh, doanh doanh
hieu tinh » chieu tinh, lieu tinh, kieu tinh
nhan dang » nhan dan, phan dang, tran dang
dang cong » dung cong
trinh han » trinh quan
doc hieu » toc thieu, hoc thieu, hoc hien

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu tinh - canh doanh nhan dang cong ((trinh toan) or (trinh han)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu tinh - canh doanh nhan dang cong ((trinh toan) OR (trinh han)) cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu tinh - canh doanh nhan dang cong ((trinh toan) or (trinh han)) cau*.