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