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