Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc lieu da snippets" » "thuc hieu da snippets", "thuc dieu da snippets", "thuoc dieu da snippets", "thuc lieu dao snippets", "thuc lieu dai snippets", "thuc lieu dia 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: (((("thuc lieu da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc lieu da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc lieu da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc lieu da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.