Perhaps you should try some spelling variations:
thoi thanh » thi thanh, tuoi thanh, hoi thanh
tranh cua » doanh cua, manh cua
cong cong » cong dong, trong cong, dung cong
doi thoi » doi thoai, moi thoi, do thoi
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: doi thoi thanh - canh tranh cua cong cong tac toan cau~.
• Adding a wildcard symbol may retrieve word variants: doi thoi thanh - canh tranh cua cong cong tac toan cau*.