Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
tu cach » tu cac
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
cao xuc » cam xuc, cao duc, cao suc
va hanh » va thanh, va danh, ban hanh
ma hoi » mai hoi, xa hoi, ma hoa
va cao » va cac, va co, va dao
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (su sach)) ky nang ma hoi. lieu va cao xuc ((va hanh) or (van hanh)) vi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) ky nang ma hoi. lieu va cao xuc ((va hanh) OR (van hanh)) vi cua vat.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) ky nang ma hoi. lieu va cao xuc ((va hanh) or (van hanh)) vi cua vat*.