Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan hat doi snippets" » "phan hat code snippets", "phan phat doi snippets", "phan chat doi snippets", "phan ha doi snippets", "phan hoat doi snippets", "phan thay doi snippets", "phan hang doi 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 hat doi 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 hat doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan hat doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan hat doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.