Perhaps you should try some spelling variations:
cua thuong » cua truong, cua phuong, ca thuong
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
canh manh » lanh manh, canh tranh, cach mang
cong hoan » cong hoa, dong hoa, cong ha
manh cua » doanh cua, ban cua
cong san » cong tac
phan cau » phan dau, phan cac, phan tu

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) OR (hieu lang)) - canh manh cua thuong ((cong hoan) or (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - canh manh cua thuong ((cong hoan) OR (cong san)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (hieu lang)) - canh manh cua thuong ((cong hoan) or (cong san)) phan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (hieu lang)) - canh manh cua thuong ((cong hoan) or (cong san)) phan cau*.