Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung van luc slippers" » "duong van luc slippers", "dung va luc slippers", "dang van luc slippers", "dung van loc slippers", "dung van duc slippers", "dung van lu slippers", "dung van luc slippery", "dung van luc grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("dung van luc slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dung van luc slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dung van luc slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dung van luc slippers"))) or ("locating bug code snippets"))*.