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