Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi hoc de snippets" » "phi hoc code snippets", "phoi hoc de snippets", "khi hoc de snippets", "pho hoc de snippets", "phi hoc he snippets", "phi hoc te snippets", "phi hoc do 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: (((("phi hoc de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi hoc de snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phi hoc de snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi hoc de snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.