Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
phan tong » phan trong, phan cong, phan hong
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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 cua ((phan tong) OR (han tong)) dan than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - thanh trung cua ((phan tong) OR (han tong)) dan than cap".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh trung cua ((phan tong) OR (han tong)) dan than cap*.