Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hanh tranh » canh tranh, hanh trinh, hanh trang
lieu tinh » trieu tinh, diep tinh, bien tinh
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
tac toan » tap toan, tam toan, hach toan
toan ban » van ban
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 - hanh tranh cua ((((nhung cong) or (hang cong))) or (trong cong)) tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - hanh tranh cua ((((nhung cong) OR (hang cong))) OR (trong cong)) tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - hanh tranh cua ((((nhung cong) or (hang cong))) or (trong cong)) tac toan ban*.