Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu xanh » chieu xanh, hieu manh, hieu nganh
doanh cua » doanh luan
doc hieu » toc thieu, hoc thieu, hoc hien
manh cua » ban cua
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - canh ((((tranh cua) or (manh cua))) or (doanh cua)) nhung cong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - canh ((((tranh cua) OR (manh cua))) OR (doanh cua)) nhung cong dan phan dau.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh ((((tranh cua) or (manh cua))) or (doanh cua)) nhung cong dan phan dau*.