Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh trung » thanh tung
cua thuong » cua truong, cua phuong, ca thuong
trung cua » truong cua, trung tuan, trung cap
cong san » cong tac
toan cao » toan tap
cho chu » cho thue
chu han » chu van

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chu han - thanh trung cua thuong cong san ((toan cao) or (((toan ban) OR (van ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu han - thanh trung cua thuong cong san ((toan cao) OR (((toan ban) OR (van ban)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chu han - thanh trung cua thuong cong san ((toan cao) or (((toan ban) OR (van ban))))".
• Adding a wildcard symbol may retrieve word variants: cho chu han - thanh trung cua thuong cong san ((toan cao) or (((toan ban) OR (van ban))))*.