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