Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
may nang » may nong, ky nang, cam nang
va hanh » van hanh, va thanh, va danh
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
su sach » so sach, vu sach
y nang » ky nang, ly nang, day nang
v nang » va nang, vu nang, van nang
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
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 cam tuc va 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 cam tuc va hanh vi va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((((y nang) OR (may nang))) or (v nang)) ma hoi. hieu ve cam tuc va 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 cam tuc va hanh vi va triet*.