Perhaps you should try some spelling variations:
cua phuong » cuu phuong, luan phuong, xuan phuong
chieu sang » chieu sach, chieu xanh, hieu lang
cuc phuong » cac phuong, cuu phuong, chuc thuong
doi chieu » doc hieu, doi chi, ho chieu
hanh manh » hanh mang, lanh manh, hoang manh
hoang anh » hoang minh, hoang van
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cao » toan cao, tran chau, trang cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - ((hanh manh) or (hoang anh)) ((cua phuong) OR (cuc phuong)) cong tac tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((hanh manh) OR (hoang anh)) ((cua phuong) OR (cuc phuong)) cong tac tran cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - ((hanh manh) or (hoang anh)) ((cua phuong) OR (cuc phuong)) cong tac tran cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - ((hanh manh) or (hoang anh)) ((cua phuong) OR (cuc phuong)) cong tac tran cao*.