Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cham sac » cham soc, pham sach, cap sac
sang cua » mang cua, song cua, hang cua
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
sac van » cac van, san van, sat van
dan cua » dan ca, ban cua, dai cua
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 sac van thanh ((dan cua) or (sang cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang xa hoi. hieu vu cham sac van thanh ((dan cua) OR (sang cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. hieu vu cham sac van thanh ((dan cua) or (sang cua)) tre*.