Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cuu tre, cua triet
dinh ve » dinh ket, dinh van
va dinh » van dinh, va kinh, va tinh
nam xua » nam cua, nam mua, nam qua
nam xuc » cam xuc, nam thuc, nam duoc
nang xa » nang x, lang xa, nang ma
te bai » te bao, te tai, te ban
ve cua » le cua, de cua, te cua
te lai » te tai

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

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