Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
va chat » van chat, va phat, cao chat
cuc ban » cua ban, cac ban, cuu ban
luu tre » luu tru, cuu tre, luy tre
ve chat » van chat
tang xa » trang xa, tang ma, lang xa
sach 6 » sach 2
vi luu » vi lua

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 6) or (sach y)) tang xa hoi. hieu ((ve chat) OR (va chat)) cuc ban thanh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach 6) OR (sach y)) tang xa hoi. hieu ((ve chat) OR (va chat)) cuc ban thanh vi luu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach 6) or (sach y)) tang xa hoi. hieu ((ve chat) OR (va chat)) cuc ban thanh vi luu tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach 6) or (sach y)) tang xa hoi. hieu ((ve chat) OR (va chat)) cuc ban thanh vi luu tre*.