Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cang thang » cong thanh, dang thanh
hien hanh » dieu hanh
thang cua » thong cua, hang cua, than cua
cua nhung » va nhung
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than
ho hien » hoc hien, hoa hien, ho mien

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hien hanh - cang thang cua nhung cong ((dan toan) or (dan than)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hien hanh - cang thang cua nhung cong ((dan toan) OR (dan than)) tap.
• Adding a wildcard symbol may retrieve word variants: ho hien hanh - cang thang cua nhung cong ((dan toan) or (dan than)) tap*.