Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
sinh dai » sinh thai, si dai, sinh vat
nua sinh » cua sinh, nha sinh, nhan sinh
van cau » van dau, van hau, van chat
cua tre » cuu tre, cua triet, dua tren
luc nua » luc cua, luc nhat, luc luan
cau luc » cau truc, cau phuc
vu sach » vu bach, su sach, vu khach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
te sach » toc sach
cua te » cua tu

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 (te sach)) ky lang xa hoi. hieu van cau luc nua sinh dai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (te sach)) ky lang xa hoi. hieu van cau luc nua sinh dai ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (te sach)) ky lang xa hoi. hieu van cau luc nua sinh dai ((cua tre) or (cua te))*.