Perhaps you should try some spelling variations:
cong thanh » cong trinh, cong tan, truong thanh
chieu sang » chieu sach, chieu xanh, hieu lang
dong thanh » truong thanh
doi chieu » doc hieu, doi chi, ho chieu
hanh dung » thanh dung, anh dung, hanh dong
luan dung » lan dung, luan dong, luan hung
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: doi chieu sang - hanh dung luan dung ((cong thanh) OR (dong thanh)) phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - hanh dung luan dung ((cong thanh) OR (dong thanh)) phan cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - hanh dung luan dung ((cong thanh) OR (dong thanh)) phan cau*.