Perhaps you should try some spelling variations:
truong dong » trong dong, truong dang, tuong dong
chieu xanh » chieu sach, chieu sang, chieu tinh
cua truong » cua trung, xuan truong, cac truong
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
tan toan » tap toan, van toan, dan toan

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 - canh tranh cua truong dong ((tan toan) OR (tan tran)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - canh tranh cua truong dong ((tan toan) OR (tan tran)) cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh tranh cua truong dong ((tan toan) OR (tan tran)) cao*.