Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung huong, nhung tuong
chieu sach » chinh sach, chieu sang, chieu xanh
hanh trinh » canh tranh
luat nhung » luat chung, luat thuong, thuat nhung
luong manh » duong manh, luong thanh, duong minh
manh toan » thanh toan, anh tuan, tinh 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: doi ((chieu sach) OR (chiet tach)) - ((hanh trinh) or (hanh chinh)) luat nhung luong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chiet tach)) - ((hanh trinh) OR (hanh chinh)) luat nhung luong manh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chiet tach)) - ((hanh trinh) or (hanh chinh)) luat nhung luong manh toan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chiet tach)) - ((hanh trinh) or (hanh chinh)) luat nhung luong manh toan cau*.