Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan tach da snippets" » "phan tach code snippets", "phan tich da snippets", "phan thanh da snippets", "phan tap da snippets", "phan tac da snippets", "phan sach dao snippets", "phan sach dat 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 tach da 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 tach da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan tach da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan tach da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.