Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
sach van » sach han, sach va, bach van
van nang » van quang, van ban, van dong
cau tren » dau tren, ca tren, cau treo
thanh di » thanh doi, thanh de, thanh do
chat xuc » chat huu, chao xu, chat cua
tu sach » thu sach, su sach, te sach
cu tren » tu tren, dua tren
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa

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 van nang ma hoi. hieu ve ((chat xuc) or (cam xuc)) ban thanh di ((cau tren) or (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach van nang ma hoi. hieu ve ((chat xuc) OR (cam xuc)) ban thanh di ((cau tren) OR (cu tren)).
• Adding a wildcard symbol may retrieve word variants: tu sach van nang ma hoi. hieu ve ((chat xuc) or (cam xuc)) ban thanh di ((cau tren) or (cu tren))*.