Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap doc cac snippets" » "phap hoc cac snippets", "phap coc cac snippets", "phap dot cac snippets", "phap duoc cac snippets", "phap do cac 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 doc cac 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 doc cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap doc cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap doc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.