Perhaps you should try some spelling variations:
nhanh thang » nhanh thanh, hanh trang, nhanh chong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
chan ban » can ban, chat ban, chan nan

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 - ((nhanh thang) or (nhanh quang)) cua hang ((cong dan) OR (cong tan)) chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((nhanh thang) OR (nhanh quang)) cua hang ((cong dan) OR (cong tan)) chan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((nhanh thang) or (nhanh quang)) cua hang ((cong dan) OR (cong tan)) chan ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((nhanh thang) or (nhanh quang)) cua hang ((cong dan) OR (cong tan)) chan ban*.