<https://giathuochapu.com/san-pham/panalgan-effer-500-hop-4-vi-4-vien-benovas#searchaction>
<http://schema.org/query-input>
"required name=search_term_string"
<https://giathuochapu.com/san-pham/panalgan-effer-500-hop-4-vi-4-vien-benovas/>