Perhaps you should try some spelling variations:
thong phuong » thuong phuong, thong thuong, thong huong
phuong tran » huong tran, phuong trinh, phuong thao
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
cua thong » cua thuong, cua khong, cua tong
tung cua » trung cua, tuong cua, dung cua
than cau » toan cau, phan cau, than cap

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 - thanh tung cua thong phuong tran ((than cau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh tung cua thong phuong tran ((than cau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh tung cua thong phuong tran ((than cau) or (phan tu))*.