Perhaps you should try some spelling variations:
chua xang » chua nang, chuc nang, chu bang
thong cua » thong quan, thong tu, huong cua
dang cong » dung cong
chu xanh » chu manh, chieu xanh, chuc danh
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
hang ca » hang va, nang cao, hang tai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chua xang)) - hanh ((thong cua) OR (hang ca)) dang cong dan than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chua xang)) - hanh ((thong cua) or (hang ca)) dang cong dan than cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chua xang)) - hanh ((thong cua) or (hang ca)) dang cong dan than cau*.