Perhaps you should try some spelling variations:
dang nguong » dung nguon, dang thuong, tang nguon
chieu sang » chieu sach, chieu xanh, hieu lang
hanh manh » hanh mang, lanh manh, hoang manh
manh cua » doanh cua, ban cua
cua dang » cua cong, cua ban
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (chinh sach)) - hanh manh cua dang nguong ((dan than) OR (dan chan)) man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chinh sach)) - hanh manh cua dang nguong ((dan than) OR (dan chan)) man.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) or (chinh sach)) - hanh manh cua dang nguong ((dan than) OR (dan chan)) man".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (chinh sach)) - hanh manh cua dang nguong ((dan than) OR (dan chan)) man*.