Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
theo phap » thi phap
phap tinh » phap sinh, phap tieng, phap tang
hanh hang » thanh hang, hang hang, hanh han
hang cua » mang cua, hang ca, huong cua
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong ty
toan cao » toan ban, toan tap

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

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