Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat thong » luat thuong, suat thong, xuat thong
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, mot chieu
ho chieu » theo chieu, hoc thieu, mot chieu
san cau » van cau, ban cau, ran cau
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chieu)) sach - hanh trinh luat thong cong thanh ((san cau) OR (can cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - hanh trinh luat thong cong thanh ((san cau) OR (can cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) sach - hanh trinh luat thong cong thanh ((san cau) OR (can cau))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sach - hanh trinh luat thong cong thanh ((san cau) OR (can cau))*.