Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toan co chi snippets" » "toan cao chi snippets", "toan ho chi snippets", "toan hoc chi snippets", "toan con chi snippets", "toan co khi 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: (((("toan co 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: (((("toan co chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan co chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan co chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.