Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tieu dung » dieu duong, tin dung, viet dung
trinh thu » trinh thuc, trinh thuy, trinh thue
thu hang » thi hang, thuc hanh, thu huong
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong 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 thu hang ((cong van) OR (song van)) tuan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu dung - hanh trinh thu hang ((cong van) OR (song van)) tuan ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu dung - hanh trinh thu hang ((cong van) OR (song van)) tuan ban*.