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