Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"song voi can snippets" » "song vo can snippets", "dong voi can snippets", "song toi can snippets", "song voi cac snippets", "song voi cong snippets", "song voi hang 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 voi can 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 voi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( song voi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("song voi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.