Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"muc danh du snippets" » "muc doanh du snippets", "chuc danh du snippets", "quoc danh du snippets", "muc danh dau snippets", "muc danh tu snippets", "muc dinh du 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: (((("muc danh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("muc danh du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( muc danh du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("muc danh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.