Perhaps you should try some spelling variations:
duong cong » dung cong, luong cong, duong trong
canh manh » lanh manh, canh tranh, van manh
cua duong » cua dong, cua huong, qua duong
ho chieu » theo chieu, hoc thieu, doi chieu
cong sat » cong suat, cong san, cong hat
sat phan » sat nhan, vat phan, xuat phan
phan cau » phan dau, phan cac, phan tu
doi chi » doi khi

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) or (doi chi)) xanh - ((canh manh) OR (cach mang)) cua duong cong sat phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) xanh - ((canh manh) OR (cach mang)) cua duong cong sat phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chi)) xanh - ((canh manh) OR (cach mang)) cua duong cong sat phan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) xanh - ((canh manh) OR (cach mang)) cua duong cong sat phan cau*.