Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
thuc van » thuc vat, thuc dan, thuc va
luoc van » luoc can, luoc va, luc van
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van dam » van nam, van dao, van dau
van cau » van dau, van hau, van chat
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 ky nang xa hoi. hieu ((van dam) or (van cau)) ((thuc van) or (luoc van)) hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. hieu ((van dam) OR (van cau)) ((thuc van) OR (luoc van)) hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. hieu ((van dam) or (van cau)) ((thuc van) or (luoc van)) hanh vi cua te*.