Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban cho cu snippets" » "ban cheo cu snippets", "bang cho cu snippets", "ban co cu snippets", "ban cho chu snippets", "ban cho ca snippets", "ban cho tu 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: (((("ban cho cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban cho cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban cho cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban cho cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.