Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
doanh cua » doanh luan
cong tinh » cong trinh, long tinh, cong thanh
cong vinh » cong trinh, trong vinh, cong viec
manh cua » ban cua
tuong tu » thong tu, luong tu, tuong tac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - canh ((manh cua) OR (doanh cua)) dung ((cong tinh) OR (cong vinh)) tuong tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - canh ((manh cua) OR (doanh cua)) dung ((cong tinh) or (cong vinh)) tuong tu~".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - canh ((manh cua) OR (doanh cua)) dung ((cong tinh) or (cong vinh)) tuong tu*.