Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi hoc doi snippets" » "phi hoc code snippets", "phoi hoc doi snippets", "khi hoc doi snippets", "pho hoc doi snippets", "phi hoc dai snippets", "phi hoc noi snippets", "phi hoc moi 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 doi 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 doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phi hoc doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi hoc doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.