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

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

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