Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoi dan doc snippets" » "hoi dan code snippets", "hoa dan doc snippets", "hoc dan doc snippets", "hoi dap doc snippets", "hoi dan toc snippets", "hoi dan hoc snippets", "hoi dan soc 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: (((("hoi dan doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi dan doc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hoi dan doc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi dan doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.