Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh do
va thanh » gia thanh, ban thanh, va tinh
vu sach » vu bach, su sach, vu khach
nang ma » tang ma, sang ma, nang cao
sach ky » sac ky, sach y, sach ty
xuc va » duc va, tuc va, luc va
de cua » le cua, te cua, dieu cua
ve tai » te tai, de tai, le tai
ve cai » va cai, ve cac, ve cau
ma hoi » mai hoi, xa hoi, ma hoa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang ma hoi. hieu ((((ve cai) OR (ve tai))) OR (va cac)) xuc va thanh de cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang ma hoi. hieu ((((ve cai) OR (ve tai))) or (va cac)) xuc va thanh de cua vat~".
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang ma hoi. hieu ((((ve cai) OR (ve tai))) or (va cac)) xuc va thanh de cua vat*.