Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu sang » chieu sach, chieu xanh, hieu lang
ho chieu » theo chieu, hoc thieu, doi chieu
canh ban » can ban, canh van, doanh ban
canh dan » canh van, sanh dan, thanh dan
anh toan » manh toan, thanh toan, nganh toan

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

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