Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong doan » phuong loan, phuong hoang, huong dan
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, trung tam, tran tuan
phuong dan » phuong danh, huong dan, phuong lan
doi chieu » doc hieu, doi chi, ho chieu
tuan dung » tuan duong, tran dung, tan dung
tran manh » tran minh, tran thanh, tran van

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 tuan dung ((phuong dan) OR (phuong doan)) ((van ban) or (tran manh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh trung tuan dung ((phuong dan) OR (phuong doan)) ((van ban) OR (tran manh))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - thanh trung tuan dung ((phuong dan) OR (phuong doan)) ((van ban) or (tran manh))*".