Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
phan dau » phan tu
hang dau » hang va, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - canh tranh cua ((nhung tuong) or (dung phuong)) dan ((phan dau) OR (hang dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh tranh cua ((nhung tuong) OR (dung phuong)) dan ((phan dau) OR (hang dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - canh tranh cua ((nhung tuong) or (dung phuong)) dan ((phan dau) OR (hang dau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh tranh cua ((nhung tuong) or (dung phuong)) dan ((phan dau) OR (hang dau))*.