Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
luan phuong » lan phuong, quang phuong, doan phuong
hanh tang » hanh trang, anh tang, hanh mang
chao chu » cho chu, cua chu, cao cho
chu xanh » chu manh, chieu xanh, chua xang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: chao chu xanh - ((hanh tang) or (canh tranh)) luan phuong cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu xanh - ((hanh tang) OR (canh tranh)) luan phuong cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: chao chu xanh - ((hanh tang) or (canh tranh)) luan phuong cong tan toan cao*.