Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
thieu xanh » chieu xanh, hieu manh, thien anh
tranh cua » doanh cua, manh cua
bang cong » dang cong, bang song, hang cong
manh toan » thanh toan, anh tuan, tinh toan
tien anh » tieng anh, tien manh, dien anh
cua bang » chua bang, cua ban, cua dang
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)) - hanh tranh cua 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)) - hanh tranh cua bang cong ((manh toan) OR (dan chan)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (tien anh)) - hanh tranh cua bang cong ((manh toan) or (dan chan)) cao*.