Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tue phan gom snippets" » "tue nhan gom snippets", "tu phan gom snippets", "thep phan gom snippets", "tue phan ngoc snippets", "tue phan mem snippets", "tue phan bo 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: (((("tue phan gom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tue phan gom snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tue phan gom snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tue phan gom snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.