Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
chieu sang » chieu sach, chieu xanh, hieu lang
cua truong » cua trung, xuan truong, cac truong
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua, manh cua
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sang - canh tranh cua truong ((dong thanh) OR (truong thanh)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sang - canh tranh cua truong ((dong thanh) OR (truong thanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - canh tranh cua truong ((dong thanh) OR (truong thanh)) toan cau*.