Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
hoach bang » hoach mang, hoach quang, hoc bang
cong quang » luong quang, thong quang, duong quang
quang toan » quang tuan, quang tran, quang doan
va phuong » va thuong, cac phuong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
anh bang » anh hoang, anh quang, tinh bang
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - ((((hoach bang) or (canh tranh))) or (anh bang)) va phuong cong quang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((((hoach bang) OR (canh tranh))) OR (anh bang)) va phuong cong quang toan cao.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((((hoach bang) or (canh tranh))) or (anh bang)) va phuong cong quang toan cao*.