Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
cua thuong » cua truong, cua phuong, ca thuong
chau tinh » cuu tinh, ha tinh, cua tinh
ban hanh » ban hang
hanh ban » thanh ban, hang ban, hanh san
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((chau tinh) or (ban hanh))) or (may tinh)) - hanh ban cua thuong cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chau tinh) OR (ban hanh))) OR (may tinh)) - hanh ban cua thuong cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((((chau tinh) or (ban hanh))) or (may tinh)) - hanh ban cua thuong cong dan toan cao*.