Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc vat moi snippets" » "hoc vat moi snippets", "toc va moi snippets", "thuc vat moi snippets", "toc bat moi snippets", "toc vao 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: (((("toc vat moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc vat moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc vat moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc vat moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.