Perhaps you should try some spelling variations:
thong trong » thuong trong, thong thong, thong thuong
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
truong pho » truong khoa, truong cao, truong bo
trung pho » trung khoa, trung phan, trung phat
trong tan » trong quan, trong cac, trong ca
tan than » tan thanh, tan tran, ban than
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: ho ((chieu xanh) OR (chieu sach)) - thanh ((trung pho) or (truong pho)) thong trong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - thanh ((trung pho) OR (truong pho)) thong trong tan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu sach)) - thanh ((trung pho) or (truong pho)) thong trong tan than cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) OR (chieu sach)) - thanh ((trung pho) or (truong pho)) thong trong tan than cau*.