Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho long ve snippets" » "pho uong ve snippets", "pho dong ve snippets", "pho cong ve snippets", "pho luong va snippets", "pho duong ve 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: (((("pho long ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pho long ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho long ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho long ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.