Perhaps you should try some spelling variations:
thien anh » thien danh, tien anh, thien thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cam » trinh cam, tranh cac, tranh cai
hang cong » dang cong, hang nong, bang cong
cam hang » cam hoang, cam nang, cam hung
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: hoc ((thien anh) or (hieu manh)) - canh tranh cam hang cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (hieu manh)) - canh tranh cam hang cong tac toan cao*.