Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan hoi chi snippets" » "phan hoi code snippets", "phan phoi chi snippets", "phan thoi chi snippets", "phan hoa chi snippets", "phan hoi chiu snippets", "phan ho chi snippets", "phan hop chi 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 hoi chi 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 hoi chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan hoi chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan hoi chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.