Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
dien tinh » diep tinh, bien tinh, dien hinh
thanh va » thanh van, thanh ha, thanh ve
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan ban » can ban, chat ban, chan nan
hanh va » hang va, hanh vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: co dien tinh - phan ((thanh va) or (hanh va)) nhung cong dan chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co dien tinh - phan ((thanh va) OR (hanh va)) nhung cong dan chan ban.
• Adding a wildcard symbol may retrieve word variants: co dien tinh - phan ((thanh va) or (hanh va)) nhung cong dan chan ban*.