Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan thi du snippets" » "dang thi du snippets", "tran thi du snippets", "dinh thi du snippets", "dan thi dua snippets", "dan thi dau snippets", "dan thi diu 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: (((("dan thi 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: (((("dan thi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan thi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan thi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.