Perhaps you should try some spelling variations:
may nang » may nong, ky nang, cam nang
cham tuc » nham thuc, pham thuc, tham thuc
va triet » va thiet, va trien, ve triet
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
xa hanh » xa thanh, xa khanh, va hanh
y nang » ky nang, ly nang, day nang
v nang » va nang, vu nang, van nang
ma hoi » mai hoi, xa hoi, ma hoa
vi va » vi van, vai va, vu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((((y nang) or (may nang))) or (v nang)) ma hoi. hieu ve cham tuc xa hanh vi va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((((y nang) OR (may nang))) OR (v nang)) ma hoi. hieu ve cham tuc xa hanh vi va triet.
• Adding a wildcard symbol may retrieve word variants: su sach ((((y nang) or (may nang))) or (v nang)) ma hoi. hieu ve cham tuc xa hanh vi va triet*.