Perhaps you should try some spelling variations:
su sach » so sach
ly nang » ky nang, ly hang, ly vang
va hanh » van hanh, va thanh, va danh
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
vu sach » vu bach, vu khach
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, v nang, may nang
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
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) OR (vu sach)) ((y nang) or (ly nang)) xa hoi. hieu ve cam tuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ((y nang) OR (ly nang)) xa hoi. hieu ve cam tuc va hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) ((y nang) or (ly nang)) xa hoi. hieu ve cam tuc va hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) ((y nang) or (ly nang)) xa hoi. hieu ve cam tuc va hanh vi cua tre*.