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