Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"song du tan snippets" » "song da tan snippets", "mong du tan snippets", "song ngu tan snippets", "song duc tan snippets", "song duy tan snippets", "song du tap snippets", "song du tan 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 du tan 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 du tan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( song du tan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("song du tan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.