Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
thieu xanh » chieu xanh, hieu manh, thien anh
tranh chua » tranh cua, trinh chuan, tranh chap
bang cong » bang song, hang cong, dung cong
dang cong » dung cong
tien anh » tieng anh, tien manh, dien anh
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap

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 chua ((bang cong) or (dang cong)) ban than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (tien anh)) - hanh tranh chua ((bang cong) OR (dang cong)) ban than cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (tien anh)) - hanh tranh chua ((bang cong) or (dang cong)) ban than cau*.