Perhaps you should try some spelling variations:
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
mua van » ma van, mua ban, mua dan
cua tre » cua te, cuu tre, cua triet
tu sai » tu bai, tu san, tu lai
tu cai » tu cac, tu can, tu bai
va nam » van nam, ha nam, va nay
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: ((tu sai) or (tu cai)) ky lang xa hoi. lieu va nam ((mua van) or (cua ban)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sai) OR (tu cai)) ky lang xa hoi. lieu va nam ((mua van) OR (cua ban)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sai) or (tu cai)) ky lang xa hoi. lieu va nam ((mua van) or (cua ban)) hanh vi cua tre*.