Perhaps you should try some spelling variations:
hanh trong » hanh trang, anh trong, hinh trong
hieu tinh » chieu tinh, lieu tinh, hieu binh
kieu tinh » lieu tinh, trieu tinh, diep tinh
trong qua » trong quan, thong qua, trong nha
qua trong » quan trong, qua trinh, qua song
thanh cac » hanh cac, thanh bac, thanh ca
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh lap, than cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu tinh) OR (kieu tinh)) - hanh trong qua trong cong dan ((than cap) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu tinh) OR (kieu tinh)) - hanh trong qua trong cong dan ((than cap) OR (thanh cac))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu tinh) OR (kieu tinh)) - hanh trong qua trong cong dan ((than cap) or (thanh cac))*".