Perhaps you should try some spelling variations:
theo chinh » thien chinh, te chinh, che chinh
trinh vant » trinh vat, trinh han, trinh viet
trinh van » trinh han, trinh quan, trinh toan
hang cong » dang cong, hang nong, bang cong
cong dan » cong san, cong tan, huong dan
toan cao » toan tap
toan ban » van 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 chinh sach - hanh ((trinh van) or (trinh vant)) hang cong dan ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chinh sach - hanh ((trinh van) OR (trinh vant)) hang cong dan ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chinh sach - hanh ((trinh van) or (trinh vant)) hang cong dan ((toan cao) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo chinh sach - hanh ((trinh van) or (trinh vant)) hang cong dan ((toan cao) OR (toan ban))*.