Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
lanh tranh » lan tranh, hanh trinh, sach tranh
cua thuong » cua truong, cua phuong, ca thuong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
ho chiet » ho chieu, ho thiet, hoa thiet
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chiet) or (hoc thiet)) tach - ((lanh tranh) OR (canh tranh)) cua thuong cong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (hoc thiet)) tach - ((lanh tranh) OR (canh tranh)) cua thuong cong dan phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chiet) or (hoc thiet)) tach - ((lanh tranh) OR (canh tranh)) cua thuong cong dan phan dau".
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) or (hoc thiet)) tach - ((lanh tranh) OR (canh tranh)) cua thuong cong dan phan dau*.