Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho vit trac slippers" » "cho vi trac slippers", "cho viet tran slippers", "cho va trac slippers", "tho viet trac slippers", "cho viec trac slippers", "cho vit trac slippery", "cho vit trac grippers"
"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: (((("cho vit trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho vit trac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho vit trac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho vit trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.