Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc te moi snippets" » "toc ta moi snippets", "hoc te moi snippets", "toc e moi snippets", "toc ve moi snippets", "toc te doi 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 te 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 te moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc te moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc te moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.