Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
so viet » hoc viet
va tinh » may tinh
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
va cham » va chat, va tham
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
so sac » so sach, so dac
va so » ma so, va su, va co

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sac ky nang ma hoi. hieu va cham xuc ((((va danh) OR (va hanh))) or (va tinh)) va so viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sac ky nang ma hoi. hieu va cham xuc ((((va danh) OR (va hanh))) OR (va tinh)) va so viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sac ky nang ma hoi. hieu va cham xuc ((((va danh) OR (va hanh))) or (va tinh)) va so viet".
• Adding a wildcard symbol may retrieve word variants: so sac ky nang ma hoi. hieu va cham xuc ((((va danh) OR (va hanh))) or (va tinh)) va so viet*.