Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thieu » toc thieu, hoc hien
hoc dieu » hoc hien
tan dung » tran dung, tin dung, dan dung
van dung » van dong, xay dung, tin dung
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 dieu) or (hoc thieu)) xanh - hanh trang ((tan dung) OR (van dung)) cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc thieu)) xanh - hanh trang ((tan dung) OR (van dung)) cong dan than ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc dieu) or (hoc thieu)) xanh - hanh trang ((tan dung) OR (van dung)) cong dan than ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc thieu)) xanh - hanh trang ((tan dung) OR (van dung)) cong dan than ban*.