Perhaps you should try some spelling variations:
danh trung » dang trung, dinh trung, thanh trung
manh trung » manh tung, thanh trung, manh hung
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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 - ((danh trung) or (manh trung)) va nhung cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - ((danh trung) OR (manh trung)) va nhung cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - ((danh trung) or (manh trung)) va nhung cong dan than tap*.