Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son hang hoa snippets" » "song hang hoa snippets", "son tang hoa snippets", "son thanh hoa snippets", "son hang khoa snippets", "son hang va 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 hang 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 hang hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son hang hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son hang hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.