Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hien tinh » khien tinh, thien tinh, bien tinh
tranh han » tranh hang, trinh han, tranh ban
han thong » han thuong, hang thong, nhan thong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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 tinh - canh tranh han thong cong tac toan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - canh tranh han thong cong tac toan cau*.