Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hanh trinh » hanh chinh
chu tinh » chau tinh, chua tinh, cuu tinh
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban
ho chu » hoi chu, cho chu, ho chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chu tinh - ((hanh trinh) or (canh tranh)) va thuong cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chu tinh - ((hanh trinh) OR (canh tranh)) va thuong cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chu tinh - ((hanh trinh) or (canh tranh)) va thuong cong tac toan ban*.