Perhaps you should try some spelling variations:
thuat sac » thuat sach, thuat san, thuat tac
hieu van » hieu va, thien van, lieu va
luoc van » luoc can, luoc va, luc van
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
xuc van » duc van, luc van, vuc van
cac ban » cac dan, cac van, can ban
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
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: thuat sac ky nang xa hoi. hieu van cam ((((xuc van) or (cac ban))) or (luoc van)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sac ky nang xa hoi. hieu van cam ((((xuc van) OR (cac ban))) OR (luoc van)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: thuat sac ky nang xa hoi. hieu van cam ((((xuc van) or (cac ban))) or (luoc van)) hanh vi cua tre*.