Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
van chat » cao chat
cau tren » dau tren, ca tren, cau treo
tang van » dang van, hoang van, trong van
thanh vi » hanh vi, thanh va, thanh ve
xuc ban » duc ban, cuc ban, quoc ban
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ve chat » va chat
van hoi » van hoa, van hoc, van hoe
ky tang » ky nang, ky dang, kho tang
cu tren » tu tren, dua tren

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