Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
day thanh » dao thanh, dat thanh, da thanh
thuc day » thuc dan, thuc vat
su sach » so sach, vu sach
ve chat » va chat, van chat
hai cuu » hai cua, hai chu, hai cuc
cuu tre » cua tre, cau tren, cau treo
sach ty » sach y, sach tu, sach thu
ve nham » ve nha, ve cham
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang ma hoi. hieu ((ve nham) or (ve chat)) thuc day thanh hai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang ma hoi. hieu ((ve nham) OR (ve chat)) thuc day thanh hai cuu tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang ma hoi. hieu ((ve nham) or (ve chat)) thuc day thanh hai cuu tre*.