Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan do cho snippets" » "phan do code snippets", "phan bo cho snippets", "phan co cho snippets", "phan mo cho snippets", "phan do choi snippets", "phan dao cho snippets", "phan do cao 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 do cho 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 do cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan do cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan do cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.