Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cac xuc » cam xuc, cac nuoc, chat xuc
thi cuu » thi cuc, thi cu, thi cua
thi huu » thi hue, thi thuy
xuc va » duc va, tuc va, luc va
va dau » va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang xa hoi. lieu va cac xuc va dau ((thi cuu) OR (thi huu)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. lieu va cac xuc va dau ((thi cuu) OR (thi huu)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. lieu va cac xuc va dau ((thi cuu) OR (thi huu)) tre*.