Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
ho lieu » so lieu, co lieu, ho kieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - canh tranh ((cua thong) or (cua khong)) cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - canh tranh ((cua thong) OR (cua khong)) cong tac toan cau*.