Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
hieu xanh » chieu xanh, hieu manh, hieu nganh
tranh cua » doanh cua, manh cua
hang nong » thang long, han tong
dung cong » dung trong
doc hieu » toc thieu, hoc thieu, hoc hien
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - canh tranh cua ((((nhung cong) or (hang nong))) or (dung cong)) dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - canh tranh cua ((((nhung cong) OR (hang nong))) OR (dung cong)) dan phan cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh tranh cua ((((nhung cong) or (hang nong))) or (dung cong)) dan phan cau*.