Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap cung do snippets" » "phap cong do snippets", "phan cung do snippets", "pha cung do snippets", "phap chung do snippets", "phap cuong do snippets", "phap dung do 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 cung do 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 cung do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap cung do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap cung do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.