Perhaps you should try some spelling variations:
bach thuc » cach thuc, bach thu, thach thuc
hieu vien » hieu hien, hieu viec, lieu vien
vat tinh » sat tinh, vat sinh, hoat tinh
co sach » bo sach, cuon sach, hoc sach
sach ty » sach y, sach tu, sach thu
ty lang » tay lang, ty xang, ty hang
lang xa » lang ha, dang xay, lang van
tinh va » tich va, trinh van, trinh vat
che tre » cho tre, khoe tre, choi tre

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

• Performing a fuzzy search may retrieve terms with similar spellings: co sach ty lang xa hoi. hieu vien bach thuc vat tinh va che tre~.
• Adding a wildcard symbol may retrieve word variants: co sach ty lang xa hoi. hieu vien bach thuc vat tinh va che tre*.