Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh mang
qua trong » quan trong, qua trinh, qua song
doc hieu » hoc thieu, hoc hien
tang qua » tang quan, tang cua, tang quy
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh 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 hieu) OR (toc thieu)) tinh - hanh tang qua trong cong dan than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (toc thieu)) tinh - hanh tang qua trong cong dan than cap".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (toc thieu)) tinh - hanh tang qua trong cong dan than cap*.