Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
hanh lai » hanh lam, hanh tai, thanh loi
hieu van » hieu va, thien van, lieu va
su triet » su tien, ve triet
sach ty » sach y, sach tu, sach thu
tu sach » thu sach, su sach, te sach
cac xuc » cam xuc, cac nuoc, chat xuc
van cac » van hac, van cau, van bac
xang xa » lang xa, mang xa, ang xa
su viet » so viet
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: tu sach ty xang xa hoi. hieu van cac xuc va ((hanh lai) or (thanh lap)) ((su triet) OR (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty xang xa hoi. hieu van cac xuc va ((hanh lai) OR (thanh lap)) ((su triet) OR (su viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty xang xa hoi. hieu van cac xuc va ((hanh lai) or (thanh lap)) ((su triet) OR (su viet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang xa hoi. hieu van cac xuc va ((hanh lai) or (thanh lap)) ((su triet) OR (su viet))*.