Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
thanh lap » thanh san, thanh hai, thanh van
cong san » cong tac
phan lap » phan dau

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 (chinh sach)) - canh tranh cua thong cong san ((thanh lap) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chinh sach)) - canh tranh cua thong cong san ((thanh lap) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chinh sach)) - canh tranh cua thong cong san ((thanh lap) or (phan lap))*.