Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan phoi du snippets" » "phan thi du snippets", "phan phoi tu snippets", "phan phoi dieu snippets", "phan phoi dung 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: (((("phan phoi 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: (((("phan phoi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan phoi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan phoi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.