Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh lap » thanh san, phan lap, thanh hai
te sach » toc sach
ky sang » ky dang, duy sang
ky tang » ky dang, kho tang, ky trong
hieu ve » hieu va, hieu van
cam loc » cam lo
loc ban » lo ban, hoc ban, coc ban
lap cua » lai cua, tap cua, lam cua
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((((ky sang) or (ky nang))) or (ky tang)) xa hoi. hieu ve cam loc ban thanh lap cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((((ky sang) OR (ky nang))) OR (ky tang)) xa hoi. hieu ve cam loc ban thanh lap cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((((ky sang) or (ky nang))) or (ky tang)) xa hoi. hieu ve cam loc ban thanh lap cua tre*.