Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
hien hanh » dieu hanh
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
hien anh » thien anh, dien anh, tien anh
cua hang » cua dang, cua nhung, cua cong
toan cau » toan ban, toan tap, toan tai
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 ((hien anh) or (hien hanh)) - canh tranh cua hang cong thanh ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien anh) OR (hien hanh)) - canh tranh cua hang cong thanh ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc ((hien anh) or (hien hanh)) - canh tranh cua hang cong thanh ((toan cau) or (toan cao))*.