Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che san chi snippets" » "cho san chi snippets", "nghe san chi snippets", "che quan chi snippets", "che van chi snippets", "che luan chi snippets", "che toan chi 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: (((("che san chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("che san chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che san chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che san chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.