Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"muc doanh do snippets" » "cac doanh do snippets", "cua doanh do snippets", "mot doanh do snippets", "muc doanh dao snippets", "muc doanh co snippets", "muc doan 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: (((("muc doanh do 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 doanh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( muc doanh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("muc doanh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.