Perhaps you should try some spelling variations:
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
cong cong » cong dong, trong cong, dung cong
tang cua » mang cua, hang cua, tang luan
ban than » ban thanh, van thanh, ban hang
van tuan » van quan, van ban, anh tuan

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