Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
theo chieu » theo tieu, ho chieu, theo chu
thong cong » trong cong, thong thong, phong chong
tong cong » trong cong, cong cong, dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

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