Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hieu nganh » vien nganh, hiem ngan, hieu manh
thanh tung » thanh cong
cua thuong » cua truong, cua phuong, ca thuong
van thang » van thanh, van khang, van hang
hoc hieu » hoc thieu, hoc hien, doc hieu
tung cua » trung cua, tuong cua, dung cua
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu nganh - thanh tung cua thuong cong ((((dan toan) OR (dan than))) or (van thang)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu nganh - thanh tung cua thuong cong ((((dan toan) OR (dan than))) OR (van thang)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu nganh - thanh tung cua thuong cong ((((dan toan) OR (dan than))) or (van thang)) cau*".