Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh tranh » canh tranh, hanh trang, lanh tranh
cuong cong » cong cong, luong cong, duong cong
hieu lang » chieu sang, hieu quang, nhieu tang
thu cuong » thu cong, thu huong, thi cuong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - ((hanh tranh) or (hanh trinh)) thu cuong cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((hanh tranh) OR (hanh trinh)) thu cuong cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((hanh tranh) or (hanh trinh)) thu cuong cong tan toan cao*.