Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
manh tung » manh hung, thanh tung
tung cua » trung cua, tuong cua, dung cua
dan than » dan chan, ban than, van than
than man » than ma, thanh san, tran manh

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