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