Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi hoi chi snippets" » "doi hoi code snippets", "doi thoi chi snippets", "doi voi chi snippets", "doi moi chi snippets", "doi hoi chiu snippets", "doi ho chi snippets", "doi hop chi 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: (((("doi hoi chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi hoi chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doi hoi chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi hoi chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.