Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
nang ma » tang ma, sang ma, nang cao
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
sach ky » sac ky, sach y, sach ty
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua
ve cai » va cai, ve cac, ve tai
ve cam » ve cham, 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.

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky nang ma hoi. hieu ((((ve cam) OR (ve cai))) or (va cam)) xuc va hanh di cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang ma hoi. hieu ((((ve cam) OR (ve cai))) OR (va cam)) xuc va hanh di cua vat*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang ma hoi. hieu ((((ve cam) OR (ve cai))) or (va cam)) xuc va hanh di cua vat*".