Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
hoc chieu » hoc thieu, ho chieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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 xanh - manh ((truong quan) or (truong cao)) trong cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - manh ((truong quan) OR (truong cao)) trong cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - manh ((truong quan) or (truong cao)) trong cong dan toan cau*.