Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hoang cong » hang cong, hoang long, hoang vuong
hoc thieu » toc thieu, hoc hien
hanh tung » thanh tung, manh tung, hanh dung
van hoang » van hoan, quan hoang, tran hoang
ho chieu » theo chieu, doi chieu, mot chieu
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: ((ho chieu) or (hoc thieu)) sach - ((hanh tung) or (hanh trang)) van hoang cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - ((hanh tung) OR (hanh trang)) van hoang cong dan than ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - ((hanh tung) or (hanh trang)) van hoang cong dan than ban*.