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