Perhaps you should try some spelling variations:
gian cua » gian xu, ban cua
anh gian » anh giang, anh giao, manh giang
sach ty » sach y, sach tu, sach thu
lo tuan » do tuan, le tuan, lo tan
hieu ve » hieu va, hieu van
lang ha » long ha
lang xa » dang xay, lang van
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
cac lo » cac lop, cac co, cac bo
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach ty) or (sac ky)) ((lang xa) or (lang ha)) hoi. hieu ve cac lo tuan anh gian cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ty) OR (sac ky)) ((lang xa) OR (lang ha)) hoi. hieu ve cac lo tuan anh gian cua tre.
• Adding a wildcard symbol may retrieve word variants: thu ((sach ty) or (sac ky)) ((lang xa) or (lang ha)) hoi. hieu ve cac lo tuan anh gian cua tre*.