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

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) OR (te sach)) ty nang xa hoi. lieu va cac xuc va dau ((thi cuu) or (thi cu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ty nang xa hoi. lieu va cac xuc va dau ((thi cuu) OR (thi cu)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ty nang xa hoi. lieu va cac xuc va dau ((thi cuu) or (thi cu)) tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) ty nang xa hoi. lieu va cac xuc va dau ((thi cuu) or (thi cu)) tre*.