Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban nhac dan slippers" » "ban nhan dan slippers", "ban nha dan slippers", "bang nhan dan slippers", "ban hoc dan slippers", "ban cac dan slippers", "ban nhac dan slippery", "ban nhac 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: (((("ban nhac 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: (((("ban nhac dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban nhac dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban nhac dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.