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