Perhaps you should try some spelling variations:
luyen tre » luyen tri, huyen tren, tuyen tren
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va dinh » van dinh, va kinh, va tinh
dinh vi » dinh ve, dinh viet, dinh tri
luu tre » luu tru, cuu tre, luy tre
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty nang xa hoi. hieu van chat xuc va dinh vi ((luu tre) or (luyen tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. hieu van chat xuc va dinh vi ((luu tre) OR (luyen tre)).
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu van chat xuc va dinh vi ((luu tre) or (luyen tre))*.