Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
danh dau » lanh dao, hang dau, danh tu
ve chat » va chat, van chat
nang ma » tang ma, sang ma, nang cao
va danh » va dinh, va dan, va hanh
va cham » va chat, va tham
thuc va » thuc vat, thuc dan, thuc day
dau va » dau ve, lau va
te cac » tu cac, ve cac, de cac
ma hoi » mai hoi, xa hoi, ma hoa
te cao » te bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te cac) or (te cao)) ky nang ma hoi. hieu ((va cham) or (ve chat)) thuc va danh dau va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cac) OR (te cao)) ky nang ma hoi. hieu ((va cham) OR (ve chat)) thuc va danh dau va triet.
• Adding a wildcard symbol may retrieve word variants: ((te cac) or (te cao)) ky nang ma hoi. hieu ((va cham) or (ve chat)) thuc va danh dau va triet*.