Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi xa doi snippets" » "thi xa doi snippets", "chi a doi snippets", "chi ha doi snippets", "chi xoa doi snippets", "chi xa hoi snippets", "chi xa dai 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: (((("chi xa 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: (((("chi xa doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi xa doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi xa doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.