Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
chieu sang » chieu sach, chieu xanh, hieu lang
nhanh lang » nhanh thang, nhan dang, nhanh dong
xa truong » cac truong
ho chieu » theo chieu, hoc thieu, doi chieu
thanh va » thanh van, hanh va, thanh ha
than cau » toan cau, phan cau, than cap
va than » va thanh, van than, va phan

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 sang - ((nhanh lang) OR (nhanh quang)) xa truong thanh va than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - ((nhanh lang) OR (nhanh quang)) xa truong thanh va than cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((nhanh lang) OR (nhanh quang)) xa truong thanh va than cau*.