Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
xuc van » duc van, luc van, vuc van
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: tu sach ky nang ma hoi. hieu ve chat xuc van hanh ((va van) or (va vua)) thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ma hoi. hieu ve chat xuc van hanh ((va van) OR (va vua)) thiet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ma hoi. hieu ve chat xuc van hanh ((va van) or (va vua)) thiet*.