Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vat dam cong snippets" » "vat dai cong snippets", "vat dam dong snippets", "vat dang cong snippets", "va dam cong snippets", "van dam cong snippets", "vat da cong 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 dam cong 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 dam cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vat dam cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat dam cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.