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