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