Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan luc phi slippers" » "nang luc phi slippers", "nhan luc thi slippers", "nhan chuc phi slippers", "nhan luc khoi slippers", "nhan luc phi slippery", "nhan luc 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: (((("nhan luc 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: (((("nhan luc phi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan luc phi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan luc phi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.