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