Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat cua doi snippets" » "dai cua doi snippets", "day cua doi snippets", "mat cua doi snippets", "dat sua doi snippets", "dat cua dai snippets", "dat cua hoi 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: (((("dat cua 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: (((("dat cua doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat cua doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat cua doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.