Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cung dat doc snippets" » "dung dat doc snippets", "vung dat doc snippets", "cuong dao doc snippets", "cung dat duoc snippets", "cung day doc snippets", "cung dat nuoc 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: (((("cung dat doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cung dat doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung dat doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung dat doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.