Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
dang cong » dung cong
mang cua » manh cua, dung cua, cong cua
cong van » cong vang, cong san, song van
van than » van thanh, van thang, van tuan
than ban » thanh ban, toan ban, than man
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chieu tinh)) - nhanh ((mang cua) OR (ban cua)) dang cong van than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu tinh)) - nhanh ((mang cua) OR (ban cua)) dang cong van than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chieu tinh)) - nhanh ((mang cua) OR (ban cua)) dang cong van than ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu tinh)) - nhanh ((mang cua) OR (ban cua)) dang cong van than ban*.