Perhaps you should try some spelling variations:
nang ma » tang ma, sang ma, nang cao
ca chua » ca cua, sua chua
va chua » vua chua, va chu, a chua
va hanh » van hanh, va thanh, va danh
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ve cam » ve cham, va cam, ve cai
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang ma hoi. hieu ((ve cam) or (ve cac)) duc va hanh ((va chua) or (ca chua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang ma hoi. hieu ((ve cam) OR (ve cac)) duc va hanh ((va chua) OR (ca chua)) tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang ma hoi. hieu ((ve cam) or (ve cac)) duc va hanh ((va chua) or (ca chua)) tre*.