Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc than doi snippets" » "doc thanh doi snippets", "doc phan doi snippets", "doc thau doi snippets", "doc thay doi snippets", "doc than doc 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: (((("doc than 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: (((("doc than doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc than doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc than doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.