Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
chua dong » cua dong, huy dong, hoa dong
chinh cau » chinh chau, chinh ca, chinh can
cong ban » cong bang, cong san, cong tan
ha dong » hoat dong, van dong
ban cau » bang cau, ban can, van cau

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