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