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
thong dan » thong van, tuong dan, thong den
doi lieu » duoc lieu, doi chieu, du lieu
dan toan » van toan, dan than, manh 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 lieu tinh - canh tranh ((cua thong) or (cua khong)) thong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - canh tranh ((cua thong) OR (cua khong)) thong dan toan cau*.