Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong van » cong vang, song van, cong tan
cong san » cong tac
toan tap » toan ban
ho lieu » so lieu, ho kieu, ho chieu
co lieu » cot lieu, co hieu, so lieu

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) or (co lieu)) tinh - hanh tranh cua nhung ((cong van) or (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (co lieu)) tinh - hanh tranh cua nhung ((cong van) OR (cong san)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) or (co lieu)) tinh - hanh tranh cua nhung ((cong van) or (cong san)) toan tap*.