Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc su 15 slippers" » "phuc vu 15 slippers", "phuc cua 15 slippers", "phuc eu 15 slippers", "phuc so 15 slippers", "phuc su 15 slippery", "phuc su 15 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: (((("phuc su 15 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc su 15 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc su 15 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc su 15 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.