Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
su sach » so sach, vu sach
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
va cao » va co, va dao, va bao
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: ((thu sach) OR (su sach)) ty nang xa hoi. hieu ((va cac) OR (va cao)) duc va hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (su sach)) ty nang xa hoi. hieu ((va cac) OR (va cao)) duc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (su sach)) ty nang xa hoi. hieu ((va cac) OR (va cao)) duc va hanh vi cua te*.