Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
toc chieu » toc thieu, doc hieu, hoc thieu
tranh cua » doanh cua, manh cua
cong danh » cuong danh, cong thanh, cong khanh
thang cao » thong cao, thang lao, quang cao
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: toc chieu sang - hanh tranh cua cong ((cong danh) OR (cong dan)) ((thang cao) or (nang cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu sang - hanh tranh cua cong ((cong danh) OR (cong dan)) ((thang cao) OR (nang cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu sang - hanh tranh cua cong ((cong danh) OR (cong dan)) ((thang cao) or (nang cao))".
• Adding a wildcard symbol may retrieve word variants: toc chieu sang - hanh tranh cua cong ((cong danh) OR (cong dan)) ((thang cao) or (nang cao))*.