Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pha van tu slippers" » "pham van tu slippers", "phan van tu slippers", "phap van tu slippers", "pha van thu slippers", "pha van du slippers", "pha ban tu slippers", "pha van tu slippery", "pha van tu grippers"

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: (((("pha van tu slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha van tu slippers") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( pha van tu slippers ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha van tu slippers") or ("python using java snippets"))) or ("locating bugs code snippets"))*.