Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong hanh
chieu sang » chieu sach, chieu xanh, hieu lang
phan cong » thanh cong
danh toan » manh toan, anh toan, dan toan
ho chieu » theo chieu, hoc thieu, doi chieu
cua nhua » cua nha, cua nhung, cua chu
toan cau » toan cao, toan ban, toan tap
cua nhu » cua chu, cua nha, cua khu

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 - phan cong ((cua nhu) or (cua nhua)) phuong danh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - phan cong ((cua nhu) OR (cua nhua)) phuong danh toan cau*.