Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc doi toi snippets" » "hoc doi toi snippets", "cuoc doi toi snippets", "luoc doi toi snippets", "doc doi thoi snippets", "doc doi voi snippets", "doc doi moi 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 doi toi 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 doi toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc doi toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc doi toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.