Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi gioi can snippets" » "doi gioi code snippets", "doi gio can snippets", "loi gioi can snippets", "moi gioi can snippets", "doi gioi van snippets", "doi gioi cam snippets", "doi gioi cau snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("doi gioi can snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doi gioi can snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doi gioi can snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doi gioi can snippets"))) or ("locating bug core snippets"))*.