Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, tran tuan
doi chieu » doc hieu, doi chi, ho chieu
dang cong » dung cong
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: doi chieu xanh - thanh ((((trung tuan) OR (truong thanh))) or (trung tam)) dang cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh ((((trung tuan) OR (truong thanh))) OR (trung tam)) dang cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh ((((trung tuan) OR (truong thanh))) or (trung tam)) dang cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh ((((trung tuan) OR (truong thanh))) or (trung tam)) dang cong tac toan cau*.