Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hanh trinh » canh tranh
lieu bang » lieu ban, lieu nang, lieu giang
thi lieu » tai lieu, thi lien, thi dieu
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: thi lieu bang - ((hanh trinh) or (hanh chinh)) va thuong cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thi lieu bang - ((hanh trinh) OR (hanh chinh)) va thuong cong san toan tap.
• Adding a wildcard symbol may retrieve word variants: thi lieu bang - ((hanh trinh) or (hanh chinh)) va thuong cong san toan tap*.