Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
dinh cua » dinh cuu, sinh cua, dinh cu
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
ve cau » ke cau, va cau, le cau
ve cac » va cac, vien cac
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: nuoc sach ty nang x hoi. hieu ((ve cau) or (ve cac)) truc ((va danh) or (va hanh)) dinh cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach ty nang x hoi. hieu ((ve cau) OR (ve cac)) truc ((va danh) OR (va hanh)) dinh cua tre.
• Adding a wildcard symbol may retrieve word variants: nuoc sach ty nang x hoi. hieu ((ve cau) or (ve cac)) truc ((va danh) or (va hanh)) dinh cua tre*.