Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap cai toi snippets" » "phap tai toi snippets", "phap ca toi snippets", "phap cac toi snippets", "phap cai tri snippets", "phap cui toi 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 cai toi 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 cai toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap cai toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap cai toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.