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