Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc thi da snippets" » "thuc thai da snippets", "thuc thuc da snippets", "luc thi da snippets", "thuc thi dai snippets", "thuc thi dua snippets", "thuc thi dan 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 thi 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 thi da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc thi da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc thi da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.