Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
thanh hoa » thanh pho
doc sach » hoc sach, toc sach, nuoc sach
giua ban » giup ban, dia ban, cua ban
vu cham » va cham, vu kham, tu cham
ve cham » va cham, ve chat, ve chim
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc sach v nang ma hoa. hieu ((ve cham) or (vu cham)) giua ban ((thanh hoa) or (thanh lap)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc sach v nang ma hoa. hieu ((ve cham) OR (vu cham)) giua ban ((thanh hoa) OR (thanh lap)) cua tre.
• Adding a wildcard symbol may retrieve word variants: doc sach v nang ma hoa. hieu ((ve cham) or (vu cham)) giua ban ((thanh hoa) or (thanh lap)) cua tre*.