Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chieu sang » chieu sach, chieu xanh, hieu lang
canh trinh » canh tranh, hanh trinh, canh tinh
nhung dung » phuong dung, ung dung, thong dung
trinh vat » trinh van, trinh luat, sinh vat
ho chieu » theo chieu, hoc thieu, doi chieu
dan phan » doan phan, dan chan, dam phan
van phan » van phong, van thanh, luan phan

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 sang - canh trinh vat ((nhung dung) or (nhung phuong)) ((dan phan) OR (van phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - canh trinh vat ((nhung dung) OR (nhung phuong)) ((dan phan) OR (van phan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - canh trinh vat ((nhung dung) or (nhung phuong)) ((dan phan) OR (van phan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh trinh vat ((nhung dung) or (nhung phuong)) ((dan phan) OR (van phan)) cau*.