Perhaps you should try some spelling variations:
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
cua nhung » va nhung
hanh ban » thanh ban, hang ban, hanh san
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
ban cua » ban quan
chon tu » con tu, cho tu, choi tu
han tu » phan tu, hanh tu, ban tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chiet tach - hanh ban cua nhung ((cong dan) OR (cong tan)) ((han tu) or (chon tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chiet tach - hanh ban cua nhung ((cong dan) OR (cong tan)) ((han tu) OR (chon tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chiet tach - hanh ban cua nhung ((cong dan) OR (cong tan)) ((han tu) or (chon tu))".
• Adding a wildcard symbol may retrieve word variants: theo chiet tach - hanh ban cua nhung ((cong dan) OR (cong tan)) ((han tu) or (chon tu))*.