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