Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"huu duy minh snippets" » "huu duc minh snippets", "huu duy vinh snippets", "huu duy binh snippets", "huu du minh snippets", "huu dung minh snippets", "huu duy minh 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: (((("huu duy 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: (((("huu duy minh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu duy minh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu duy minh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.