Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho danh toc snippets" » "kho danh toc snippets", "cho doanh toc snippets", "khao danh toc snippets", "pho dan toc snippets", "pho danh hoc snippets", "pho danh thuc 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: (((("pho danh toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pho danh toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho danh toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho danh toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.