Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach dua doc snippets" » "cach cua doc snippets", "cach dung doc snippets", "cac du doc snippets", "cach duy doc snippets", "cach cua duoc snippets", "cach qua duoc 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: (((("python using java snippets") or ("cach dua doc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cach dua doc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cach dua doc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cach dua doc snippets"))) or ("locating bug code snippets"))*.