Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
chat xuc » chat huu, cam xuc, chao xu
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
thi cuc » tai cuc
thi cuu » thi huu, thi cu, thi cua
cac xuc » cam xuc, cac nuoc, cac cuoc
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
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 lang xa hoi. hieu van ((cac xuc) or (chat xuc)) va dau ((thi cuu) OR (thi cuc)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang xa hoi. hieu van ((cac xuc) OR (chat xuc)) va dau ((thi cuu) OR (thi cuc)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky lang xa hoi. hieu van ((cac xuc) or (chat xuc)) va dau ((thi cuu) OR (thi cuc)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang xa hoi. hieu van ((cac xuc) or (chat xuc)) va dau ((thi cuu) OR (thi cuc)) tre*.