Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vit cua cha snippets" » "vat cua cha snippets", "vit ca cha snippets", "biet cua cha snippets", "vit cua chu snippets", "vit cua nha snippets", "vit chua chay 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: (((("vit cua cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vit cua cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vit cua cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vit cua cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.