Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
hang di » hang doi, hang vi, hang dien
va hang » van hang, va nang, va lang
thuc va » thuc vat, thuc dan, thuc day
cuu tre » cua tre, cau tren, cau treo
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
bo sach » co sach, hoc sach
he nam » ha nam, nghe nam
di cuu » di cau, di cua, dinh cuu
ve nam » va nam, le nam, te nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sach) or (bo sach)) ky lang xa hoi. hieu ((ve nam) or (he nam)) thuc va hang di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (bo sach)) ky lang xa hoi. hieu ((ve nam) OR (he nam)) thuc va hang di cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (bo sach)) ky lang xa hoi. hieu ((ve nam) or (he nam)) thuc va hang di cuu tre*.