Perhaps you should try some spelling variations:
su sach » so sach, vu sach
ty nang » ky nang, ty hang, ty nong
ly nang » ky nang, ly hang, ly vang
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua

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 ((((ty nang) OR (ly nang))) or (ty xang)) ma hoi. hieu ve cam xuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((((ty nang) OR (ly nang))) OR (ty xang)) ma hoi. hieu ve cam xuc va hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((((ty nang) OR (ly nang))) or (ty xang)) ma hoi. hieu ve cam xuc va hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ((((ty nang) OR (ly nang))) or (ty xang)) ma hoi. hieu ve cam xuc va hanh vi cua tre*.