Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hieu nganh » hieu manh, nghiep nganh
vien nganh » vien thanh
thanh tung » thanh cong
cua thuong » cua truong, cua phuong, ca thuong
hiem ngan » kim ngan, viem gan
tung cua » trung cua, tuong cua, dung cua
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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) OR (vien nganh))) or (hiem ngan)) - thanh tung cua thuong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu nganh) OR (vien nganh))) OR (hiem ngan)) - thanh tung cua thuong cong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hieu nganh) OR (vien nganh))) or (hiem ngan)) - thanh tung cua thuong cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu nganh) OR (vien nganh))) or (hiem ngan)) - thanh tung cua thuong cong dan than cau*.