Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » canh tranh, hanh chinh
thong dung » thong cong, thong thuong
trinh vat » trinh van, trinh luat, sinh vat
ho chieu » theo chieu, hoc thieu, doi chieu
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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 - hanh trinh vat ((thong dung) or (nhung phuong)) dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh trinh vat ((thong dung) OR (nhung phuong)) dan phan dau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh trinh vat ((thong dung) or (nhung phuong)) dan phan dau*.