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