Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"von cua minh snippets" » "von cua sinh snippets", "von cua tinh snippets", "von cua kinh snippets", "vong cua minh snippets", "vuon cua minh snippets", "con cua minh snippets", "von cua minh 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 cua minh 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 cua minh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( von cua minh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("von cua minh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.