Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va cham » va chat, va tham
van han » van phan, van nhan, van hoan
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
tai va » thai va, mai va, dai 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 ky nang ma hoi. hieu va cham xuc ((van han) or (van hanh)) ((tai va) or (tri va)) thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang ma hoi. hieu va cham xuc ((van han) OR (van hanh)) ((tai va) OR (tri va)) thiet.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang ma hoi. hieu va cham xuc ((van han) or (van hanh)) ((tai va) or (tri va)) thiet*.