Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
cua thuong » cua truong, cua phuong, ca thuong
cong san » cong tac
toan cao » toan tap
toan ban » van ban
cho chu » cho thue
chu van » cuu van, chu han

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