Perhaps you should try some spelling variations:
hoc cac » hoc cao
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
va cham » va chat, va tham
xuc ban » cuc ban, quoc ban, xuat ban
duc ban » duc tan, duc van, dua ban
vi cua » vai cua, di cua
cua te » cua tu

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 ky lang xa hoi. lieu va cham ((xuc ban) OR (duc ban)) hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc cac ky lang xa hoi. lieu va cham ((xuc ban) OR (duc ban)) hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: hoc cac ky lang xa hoi. lieu va cham ((xuc ban) OR (duc ban)) hanh vi cua te*.