Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » hanh chinh
luat thong » luat thuong, suat thong, xuat thong
thong cong » trong cong, tong cong, thong thong
toc chiet » toc thieu, hoc thiet, toc viet
van thang » van thanh, van khang, van hang
van than » van thanh, van tuan, van phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chiet tach - ((hanh trinh) OR (canh tranh)) luat thong cong ((van than) or (van thang)) man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chiet tach - ((hanh trinh) OR (canh tranh)) luat thong cong ((van than) OR (van thang)) man.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chiet tach - ((hanh trinh) OR (canh tranh)) luat thong cong ((van than) or (van thang)) man".
• Adding a wildcard symbol may retrieve word variants: toc chiet tach - ((hanh trinh) OR (canh tranh)) luat thong cong ((van than) or (van thang)) man*.