Perhaps you should try some spelling variations:
luan phuong » lan phuong, quang phuong, luat thuong
thieu sach » chieu sach, thien hach, hieu cach
hanh trang » thanh trung, canh tranh, hanh trinh
hien hanh » dieu hanh
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu sach) or (hien hanh)) - hanh trang ((luan phuong) OR (doan phuong)) cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (hien hanh)) - hanh trang ((luan phuong) OR (doan phuong)) cong dan than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) or (hien hanh)) - hanh trang ((luan phuong) OR (doan phuong)) cong dan than ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (hien hanh)) - hanh trang ((luan phuong) OR (doan phuong)) cong dan than ban*.