Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
ky tang » ky dang, kho tang, ky trong
vi cua » vai cua, di cua
xuc va » duc va, tuc va, luc va
ve cac » va cac, vien cac
ma hoi » mai hoi, xa hoi, ma hoa
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 tang) OR (ky nang)) ma hoi. hieu ((ve cac) or (vien bach)) xuc va thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((ky tang) OR (ky nang)) ma hoi. hieu ((ve cac) OR (vien bach)) xuc va thanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((ky tang) OR (ky nang)) ma hoi. hieu ((ve cac) or (vien bach)) xuc va thanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach ((ky tang) OR (ky nang)) ma hoi. hieu ((ve cac) or (vien bach)) xuc va thanh vi cua te*.