Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu sang » chieu sach, chieu xanh, nhieu tang
cong cuong » cong cong, cong luong, cong huong
cuong danh » cuon danh, huong dan, cuong linh
hieu lang » hieu quang, nhieu tang, hieu van
tranh cua » doanh cua, manh cua
thang lao » thanh lap, thang loi, thang tam
tang lao » tang luan, tang giao, tang luat

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) or (hieu lang)) - hanh tranh cua cong cuong danh ((thang lao) OR (tang lao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((chieu sang) OR (hieu lang)) - hanh tranh cua cong cuong danh ((thang lao) OR (tang lao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((chieu sang) or (hieu lang)) - hanh tranh cua cong cuong danh ((thang lao) OR (tang lao))".
• Adding a wildcard symbol may retrieve word variants: toc ((chieu sang) or (hieu lang)) - hanh tranh cua cong cuong danh ((thang lao) OR (tang lao))*.