Perhaps you should try some spelling variations:
chiet tach » chieu sach
tphong van » thong van, phung van, trong van
trinh cua » trinh luat, trinh quan, trinh luan
phong van » phung van, thong van, phong va
ho chiet » ho chieu, ho thiet, hoc thiet
tinh cua » sinh cua, tinh chat, tranh cua
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: ho chiet tach - hanh ((tinh cua) OR (trinh cua)) nhung ((phong van) or (tphong van)) tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh ((tinh cua) OR (trinh cua)) nhung ((phong van) OR (tphong van)) tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh ((tinh cua) OR (trinh cua)) nhung ((phong van) or (tphong van)) tuan ban".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh ((tinh cua) OR (trinh cua)) nhung ((phong van) or (tphong van)) tuan ban*.