Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
tranh xay » trinh xay, trong xay, manh xay
dung cong » dung trong
doan phan » doanh phan, toan phan, doanh nhan
hoc hieu » hoc thieu, hoc hien, doc hieu
dan phan » dan chan, van phan, dan than
dam phan » d phan, va phan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu nganh - canh tranh xay dung cong ((((dan phan) OR (dam phan))) or (doan phan)) dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu nganh - canh tranh xay dung cong ((((dan phan) OR (dam phan))) OR (doan phan)) dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu nganh - canh tranh xay dung cong ((((dan phan) OR (dam phan))) or (doan phan)) dau".
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - canh tranh xay dung cong ((((dan phan) OR (dam phan))) or (doan phan)) dau*.