Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con chi he snippets" » "con chim he snippets", "cong chi he snippets", "can chi he snippets", "con chi ha snippets", "con chi hieu snippets", "con choi hee 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: (((("con chi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con chi he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con chi he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con chi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.