Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
dung khoa » dung cho
chao chu » cho chu, cua chu, cao cho
chu manh » ho manh, chu han, chu van
cong dan » cong san, cong tan, huong dan
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao chu manh - thanh ((dung luan) or (dung khoa)) thuong cong dan ((chan cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu manh - thanh ((dung luan) OR (dung khoa)) thuong cong dan ((chan cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao chu manh - thanh ((dung luan) or (dung khoa)) thuong cong dan ((chan cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: chao chu manh - thanh ((dung luan) or (dung khoa)) thuong cong dan ((chan cau) OR (phan cau))*.