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