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