Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung may tu slippers" » "dung va tu slippers", "dung tai tu slippers", "mang may tu slippers", "dung tay tu slippers", "dung may thuy slippers", "dung may tu slippery", "dung may 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: (((("dung may 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: (((("dung may tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung may tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung may tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.