Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
vai cua » dai cua, hai cua, lai cua
cau luc » cau truc, cau phuc
sach le » cach le, sach de, sach lo
hoa hoi » khoa hoi, hoa hoc, hoa doi
le lang » le tang, le dang, le xang
ha hoi » ha noi, xa hoi, va hoi
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: thu sach le lang ((ha hoi) OR (hoa hoi)). hieu qua ((cam xuc) or (cau luc)) van hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach le lang ((ha hoi) OR (hoa hoi)). hieu qua ((cam xuc) OR (cau luc)) van hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach le lang ((ha hoi) OR (hoa hoi)). hieu qua ((cam xuc) or (cau luc)) van hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach le lang ((ha hoi) OR (hoa hoi)). hieu qua ((cam xuc) or (cau luc)) van hanh vai cua te*.