Perhaps you should try some spelling variations:
quyen thanh » quyet thanh, huyen thanh, xuyen thanh
cong nghiep » doanh nghiep
nghiep hang » nghiep bang, nghiep hung, nghiep thanh
nghe hang » nghe thang, nghe han, nghe lang
bi quyen » bi quyet, si quyen, binh quyen
cong cua » dong cua, huong cua, thong cua
cong cau » cong chuc, thong cau, cong tac
cong cu » chung cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( bi quyen thanh cong cua cong nghiep hang đau the gioi ) or ( bi quyen thanh ((cong cau) OR (cong cu)) cong nghe hang đau the gioi ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( bi quyen thanh cong cua cong nghiep hang đau the gioi ) OR ( bi quyen thanh ((cong cau) OR (cong cu)) cong nghe hang đau the gioi )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( bi quyen thanh cong cua cong nghiep hang đau the gioi ) or ( bi quyen thanh ((cong cau) OR (cong cu)) cong nghe hang đau the gioi ))".
• Adding a wildcard symbol may retrieve word variants: (( bi quyen thanh cong cua cong nghiep hang đau the gioi ) or ( bi quyen thanh ((cong cau) OR (cong cu)) cong nghe hang đau the gioi ))*.