Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tieu sang » chieu sang, tieu dung, tiem nang
san chang » dan chan, van khang, san chay
ban hang » ngan hang
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sang - hanh trinh ((san chang) or (ban hang)) cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - hanh trinh ((san chang) OR (ban hang)) cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - hanh trinh ((san chang) or (ban hang)) cong van toan ban*.