Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
huong manh » hung manh, luong manh, phuong danh
duong manh » duong van
cao nhung » cho nhung, cam nhung, cao chung
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) or (chieu sach)) - hanh truong cao nhung ((huong manh) OR (duong manh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - hanh truong cao nhung ((huong manh) OR (duong manh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sach)) - hanh truong cao nhung ((huong manh) OR (duong manh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - hanh truong cao nhung ((huong manh) OR (duong manh)) toan cau*.