Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"von van anh snippets" » "van van anh snippets", "son van anh snippets", "ton van anh snippets", "von van thanh snippets", "von van minh snippets", "von tuan anh snippets", "von van anh slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("von van anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("von van anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( von van anh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("von van anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.