Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan co chi snippets" » "phan co code snippets", "phan bo chi snippets", "phan cong chi snippets", "phan cac chi snippets", "phan con chi snippets", "phan ho chi snippets", "phan co khi 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 co 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 co chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan co chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan co chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.