Perhaps you should try some spelling variations:
chieu chien » thien chien, hieu hien
van hanh » van thanh, ban hanh, van anh
cay thuc » cay thuoc, can thuc, day thuc
cac thuc » cach thuc, cac thu, can thuc
lang van » dang van, tang van, hoang van
so sach » bo sach, co sach, hoc sach
van hoi » van hoa, van hoc, van hoe
so sanh » do sanh
y lang » o lang, _ lang, tay lang
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (so sanh)) y lang van hoi. chieu chien ((cac thuc) or (cay thuc)) van hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (so sanh)) y lang van hoi. chieu chien ((cac thuc) OR (cay thuc)) van hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (so sanh)) y lang van hoi. chieu chien ((cac thuc) or (cay thuc)) van hanh vi cua te*.