Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chua dong
hang hang » nang hang, cang thang, hung thang
chu bang » thu bang, chuc nang, chu quang
cong san » cong tac
hang cau » hang dau, hang ca, nhung cau
nhanh ha » thanh hoa, thanh hai, khanh hoa

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

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