Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
nhanh lang » nhanh quang, nhanh thang, nhan dang
hieu manh » chieu xanh, hieu nganh, dieu hanh
ban cong » bang cong, van cong, phan cong
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cau » tran chau, toan cau, ran 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) or (hieu manh)) - ((nhanh lang) or (canh tranh)) cua ban cong tac tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - ((nhanh lang) OR (canh tranh)) cua ban cong tac tran cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - ((nhanh lang) or (canh tranh)) cua ban cong tac tran cau*.