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