Perhaps you should try some spelling variations:
lanh tranh » canh tranh, lan tranh, hanh trinh
chieu sang » chieu sach, chieu xanh, hieu lang
lanh manh » lan anh, van manh, anh anh
cong danh » cuong danh, cong thanh, cong khanh
ho chieu » theo chieu, hoc thieu, doi chieu
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - ((lanh manh) or (lanh tranh)) cua hang ((cong danh) OR (cong dan)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((lanh manh) OR (lanh tranh)) cua hang ((cong danh) OR (cong dan)) phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - ((lanh manh) or (lanh tranh)) cua hang ((cong danh) OR (cong dan)) phan tu".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((lanh manh) or (lanh tranh)) cua hang ((cong danh) OR (cong dan)) phan tu*.