Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc thiet » hoc thieu, hoc thuyet, toc thieu
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, tang luan
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 thiet) or (hoc hien))) or (ho chieu)) xanh - hanh tang cua nhung cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc thiet) OR (hoc hien))) OR (ho chieu)) xanh - hanh tang cua nhung cong dan than ban.
• Adding a wildcard symbol may retrieve word variants: ((((hoc thiet) or (hoc hien))) or (ho chieu)) xanh - hanh tang cua nhung cong dan than ban*.