Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
phong cong » phong chong, thong cong, chong cong
doi chieu » doc hieu, doi chi, mot chieu
trung nam » trung tam, trong nam, trung cap
nam phong » hai phong, van phong, nam trong
cong sat » cong suat, cong san, cong hat
sat phan » sat nhan, vat phan, xuat phan

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 trung nam phong cong sat phan tu~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh trung nam phong cong sat phan tu*.