Perhaps you should try some spelling variations:
"song dung phu snippets" » "song duong phu snippets", "cong dung phu snippets", "song dong phu snippets", "song dung phan snippets", "song dung cho snippets", "song dung he snippets", "song dung phu slippers"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw snippets", "python using sat 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: (((("song dung phu snippets") or ("python using sat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("song dung phu snippets") OR ("python using sat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( song dung phu snippets ) or ( python using sat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("song dung phu snippets") or ("python using sat snippets"))) or ("locating bug code snippets"))*.