Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap nam doi snippets" » "phap nham doi snippets", "pham nam doi snippets", "phap lam doi snippets", "phap nam hoi snippets", "phap nam do snippets", "phap nam noi 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: (((("phap nam 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: (((("phap nam doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap nam doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap nam doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.