Perhaps you should try some spelling variations:
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
soc van » oc van, sac van, soc dan
hoc van » hoc dan, hoc va, hoc vat
san cuu » san cua, san huu, song cuu
cuu tre » cua tre, cau tren, cau treo
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky lang xa hoi. hieu vu cham ((soc van) or (hoc van)) thanh san cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang xa hoi. hieu vu cham ((soc van) OR (hoc van)) thanh san cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. hieu vu cham ((soc van) or (hoc van)) thanh san cuu tre*.