Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
truong cao » truong dai
bang cong » dang cong, bang song, hang cong
manh toan » thanh toan, anh tuan, tinh toan
tien anh » tieng anh, tien manh, dien anh
cao bang » cao dang, cao tang, cao nang
dan chan » dan gian, dan ca, van chat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (tien anh)) - thanh truong cao bang cong ((manh toan) or (dan chan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (tien anh)) - thanh truong cao bang cong ((manh toan) OR (dan chan)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (tien anh)) - thanh truong cao bang cong ((manh toan) or (dan chan)) cao*.