Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan cuu du snippets" » "phan cuu code snippets", "phan cau du snippets", "phan huu du snippets", "phan cung du snippets", "phan cuc du snippets", "phan cuu de snippets", "phan cuu da snippets"
"python using java snippets" » "python using data 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 cuu du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan cuu du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan cuu du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan cuu du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.