Perhaps you should try some spelling variations:
mot chieu » doi chieu, ho chieu
hanh dung » thanh dung, anh dung, hanh dong
dang nong » dang cong, hang nong, tang nong
van thanh » ban thanh, van tuan
dung cua » dung luan, dung cho
cua dang » cua cong, cua ban
dan than » dan chan, ban than, van than
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chi)) xanh - hanh dung cua dang nong ((dan than) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chi)) xanh - hanh dung cua dang nong ((dan than) OR (van thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chi)) xanh - hanh dung cua dang nong ((dan than) or (van thanh)) cau*.