Perhaps you should try some spelling variations:
thuat sac » thuat sach, thuat san, thuat tac
dinh viet » ninh viet, danh viet, trinh viet
va cham » va chat, va tham
danh vi » hanh vi, dinh vi, danh di
nang ma » tang ma, sang ma, nang cao
va cam » va cac, va cao, va cai
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sac ky nang ma hoi. hieu ((va cam) or (va cham)) luc va ((danh vi) or (dinh viet)) cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sac ky nang ma hoi. hieu ((va cam) OR (va cham)) luc va ((danh vi) OR (dinh viet)) cua vat.
• Adding a wildcard symbol may retrieve word variants: thuat sac ky nang ma hoi. hieu ((va cam) or (va cham)) luc va ((danh vi) or (dinh viet)) cua vat*.