Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi ca chan snippets" » "doi cam chan snippets", "doi ca chang snippets", "doi can chan snippets", "doi cua chan snippets", "doi cay chan snippets", "duoi ca chan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 ca chan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doi ca chan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doi ca chan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doi ca chan snippets"))) or ("locating bug code snippets"))*.