Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu quang » thieu quang, hieu quan, hieu qua
hanh trong » hanh trang, anh trong, hinh trong
nha dung » kha dung, nha cung, nha dong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (hieu quang)) - hanh trong nha dung ((cong dan) OR (cong san)) chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (hieu quang)) - hanh trong nha dung ((cong dan) OR (cong san)) chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (hieu quang)) - hanh trong nha dung ((cong dan) OR (cong san)) chan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (hieu quang)) - hanh trong nha dung ((cong dan) OR (cong san)) chan cau*.