Perhaps you should try some spelling variations:
doanh cong » doanh tong, doanh chung, doanh trong
hanh trinh » canh tranh, hanh chinh
doc hieu » toc thieu, hoc thieu
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cac » toan cao, toan cau, toan xac
luat » luan, xuat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (hoc hien)) manh - hanh trinh luat doanh cong van toan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc hien)) manh - hanh trinh luat doanh cong van toan cac.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc hien)) manh - hanh trinh luat doanh cong van toan cac*.