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