Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
manh thanh » danh thanh, minh thanh, manh thang
thanh vi » hanh vi, thanh va, thanh ve
duc manh » suc manh, duc anh, duc minh
tu sach » thu sach, su sach, te sach
ve cham » va cham, ve chat, vu cham
vi cua » vai cua, di cua
cua te » cua tu
ve cam » ve cac, va cam, ve cai
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thuoc sach)) ky nang x hoi. hieu ((ve cam) or (ve cham)) duc manh thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thuoc sach)) ky nang x hoi. hieu ((ve cam) OR (ve cham)) duc manh thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thuoc sach)) ky nang x hoi. hieu ((ve cam) or (ve cham)) duc manh thanh vi cua te*.