Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
chua xang » chua nang, chuc nang, chu bang
hanh tang » hanh trang, anh tang, hanh mang
chu xanh » chu manh, chieu xanh, chuc danh
dan chan » dan gian, dan ca, van chat
chan ban » can ban, chat ban, chan nan
tang va » trang va, tang van, thang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) or (chua xang)) - hanh tang va ((nhung cong) OR (thong cong)) dan chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - hanh tang va ((nhung cong) OR (thong cong)) dan chan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (chua xang)) - hanh tang va ((nhung cong) OR (thong cong)) dan chan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chua xang)) - hanh tang va ((nhung cong) OR (thong cong)) dan chan ban*.