Perhaps you should try some spelling variations:
hanh trinh » canh tranh
luat nhung » luat thuong, thuat nhung, cua nhung
luat chung » luan chung, luat thuong, cua chung
hien anh » hien hanh, thien anh, dien anh
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien anh - ((hanh trinh) or (hanh chinh)) ((luat nhung) OR (luat chung)) cong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien anh - ((hanh trinh) OR (hanh chinh)) ((luat nhung) OR (luat chung)) cong dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien anh - ((hanh trinh) or (hanh chinh)) ((luat nhung) OR (luat chung)) cong dan than cap".
• Adding a wildcard symbol may retrieve word variants: hoc hien anh - ((hanh trinh) or (hanh chinh)) ((luat nhung) OR (luat chung)) cong dan than cap*.