Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, truong cao
trung cap » truong cao, trung tam
chi sach » chinh sach, chieu sach, co sach
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
than cao » toan cao, thai cao, than cap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - hanh ((truong cua) or (trung cap)) nhung ((cong dan) OR (cong san)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - hanh ((truong cua) OR (trung cap)) nhung ((cong dan) OR (cong san)) than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi sach - hanh ((truong cua) or (trung cap)) nhung ((cong dan) OR (cong san)) than cao".
• Adding a wildcard symbol may retrieve word variants: doi chi sach - hanh ((truong cua) or (trung cap)) nhung ((cong dan) OR (cong san)) than cao*.