Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh trung » hanh trang, manh trung, danh trung
hien xanh » hien hanh, hien nhanh, chieu xanh
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, cong tan, huong dan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - ((hanh trung) or (thanh trung)) cua bang cong dan ((phan dau) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((hanh trung) OR (thanh trung)) cua bang cong dan ((phan dau) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((hanh trung) or (thanh trung)) cua bang cong dan ((phan dau) or (phan lap))*.