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