Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van 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: ho chieu xanh - thanh ((((truong cao) or (trung tam))) or (truong thanh)) dung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((((truong cao) OR (trung tam))) OR (truong thanh)) dung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((((truong cao) or (trung tam))) or (truong thanh)) dung cong tan toan cau*.