Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » thong cong, hang cong, nhung don
hoa chinh » hoan chinh, hoa hinh, hoc chinh
dung cong » dung trong
ho chinh » hoc chinh, cho chinh, do chinh
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: ((ho chinh) OR (hoa chinh)) sach - hanh trinh luat ((nhung cong) or (dung cong)) tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chinh) OR (hoa chinh)) sach - hanh trinh luat ((nhung cong) OR (dung cong)) tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chinh) OR (hoa chinh)) sach - hanh trinh luat ((nhung cong) or (dung cong)) tan toan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chinh) OR (hoa chinh)) sach - hanh trinh luat ((nhung cong) or (dung cong)) tan toan cau*.