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