Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
chinh cua » chinh ca, chinh sua, hinh cua
cua nhung » va nhung
van tuan » van ban, anh tuan
van quan » van ban
ban hang » ngan hang

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 chinh cua nhung cong ((((van tuan) or (van quan))) or (ban hang)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh chinh cua nhung cong ((((van tuan) OR (van quan))) OR (ban hang)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh chinh cua nhung cong ((((van tuan) or (van quan))) or (ban hang)) cau*.