Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc hau phi slippers" » "duc chau phi slippers", "duc huu phi slippers", "duc hau thi slippers", "duc hau phi slippery", "duc hau phi 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: (((("duc hau phi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc hau phi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc hau phi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc hau phi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.