Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
ve cham » va cham, vu cham, ve chim
ve chat » va chat, van chat
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
su sac » su cac, su xac
ma hoi » mai hoi, xa hoi, ma hoa
tai va » thai va, mai va, tri va
thiet » thieu

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) or (su sach)) ky nang ma hoi. hieu ((ve cham) or (ve chat)) xuc va hanh tai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su sach)) ky nang ma hoi. hieu ((ve cham) OR (ve chat)) xuc va hanh tai va thiet.
• Adding a wildcard symbol may retrieve word variants: ((su sac) or (su sach)) ky nang ma hoi. hieu ((ve cham) or (ve chat)) xuc va hanh tai va thiet*.