Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sac dang de snippets" » "cac dang de snippets", "sac dan de snippets", "sach dung de snippets", "sac dang deo snippets", "sac dung de snippets", "sac dang do 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: (((("sac dang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sac dang de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sac dang de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sac dang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.