Perhaps you should try some spelling variations:
mai khoi » mai khoa, tai khoa, cac khoi
hanh via » hanh vi, hanh va, anh va
te sach » toc sach
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
va hanh » van hanh, va thanh, va danh
via cua » gia cua, gian cua, giau cua
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
ve cau » ke cau, va cau, ve cac
luc va » duc va, tuc va, loc va
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang ((ma hoi) or (mai khoi)). hieu ve cau luc va hanh via cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ((ma hoi) OR (mai khoi)). hieu ve cau luc va hanh via cua su.
• Adding a wildcard symbol may retrieve word variants: te sach y nang ((ma hoi) or (mai khoi)). hieu ve cau luc va hanh via cua su*.