Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
phong cong » phong chong, chong cong, phong dong
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
quan cau » quang cao, toan cau, quan ha
tuan thu » toan thuc, van thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh trinh luat ((phong cong) or (thong cong)) van ((quan cau) or (tuan thu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh trinh luat ((phong cong) OR (thong cong)) van ((quan cau) OR (tuan thu)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trinh luat ((phong cong) or (thong cong)) van ((quan cau) or (tuan thu))*.