Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mat lam chon snippets" » "mat lam cho snippets", "mat nam chon snippets", "mat lay chong snippets", "dat lam chon snippets", "mat la chon snippets", "mat lai chon 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: (((("mat lam chon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mat lam chon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mat lam chon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mat lam chon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.