Perhaps you should try some spelling variations:
gian cua » gian xu, ban cua
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
te sac » te sach, te san
te cac » tu cac, ve cac, te cao
soc va » hoc va, loc va, doc va
va dan » ca dan, va dao, va dau
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) OR (te cac)) ky nang xa hoi. hieu ve cham soc va dan ((va cua) or (gian cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te cac)) ky nang xa hoi. hieu ve cham soc va dan ((va cua) OR (gian cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) OR (te cac)) ky nang xa hoi. hieu ve cham soc va dan ((va cua) or (gian cua)) tre".
• Adding a wildcard symbol may retrieve word variants: ((te sac) OR (te cac)) ky nang xa hoi. hieu ve cham soc va dan ((va cua) or (gian cua)) tre*.