Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thieu tach » thien hach, chiet tach, chieu sach
hanh trinh » hanh chinh
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan man » chan nan, than man, chan doan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu tach - ((hanh trinh) or (canh tranh)) luat thuong cong dan chan man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tach - ((hanh trinh) OR (canh tranh)) luat thuong cong dan chan man.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tach - ((hanh trinh) or (canh tranh)) luat thuong cong dan chan man*.