Perhaps you should try some spelling variations:
dat tren » dat trong, dua tren
hoc cac » hoc cao
nang ma » tang ma, sang ma, nang cao
cac duc » cac du, cao duc, cac dac
va hanh » van hanh, va thanh, ban hanh
hanh di » hanh vi, hanh de, hang di
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
di dat » de dat, di vat, dinh dat
cac y » cac ky, cac _, cap y

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc cac y nang ma hoi. lieu va cac duc va hanh di dat tren~.
• Adding a wildcard symbol may retrieve word variants: hoc cac y nang ma hoi. lieu va cac duc va hanh di dat tren*.