Perhaps you should try some spelling variations:
doc trieu » dong trieu, toc thieu, doc hieu
hanh hang » thanh hang, hang hang, hanh han
cua trong » cua truong, cua trung, qua trong
hang cua » mang cua, hang ca, huong cua
cong dan » cong san, cong tan, huong dan
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc trieu tinh - hanh hang cua trong cong dan ((than cap) OR (khan cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc trieu tinh - hanh hang cua trong cong dan ((than cap) OR (khan cap))".
• Adding a wildcard symbol may retrieve word variants: doc trieu tinh - hanh hang cua trong cong dan ((than cap) OR (khan cap))*.