Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tieu dung » dieu duong, tin dung, viet dung
thuc hang » thuc hanh, thu hang, thuy hang
phuc hang » phuc thanh, phuc khanh, phuc khong
trong van » trong cac
cong van » cong vang, cong san, song van
tuan ban » tuan bang, toan ban, luan 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 dung - hanh trinh ((thuc hang) OR (phuc hang)) ((cong van) or (trong van)) tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu dung - hanh trinh ((thuc hang) OR (phuc hang)) ((cong van) OR (trong van)) tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu dung - hanh trinh ((thuc hang) OR (phuc hang)) ((cong van) or (trong van)) tuan ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu dung - hanh trinh ((thuc hang) OR (phuc hang)) ((cong van) or (trong van)) tuan ban*.