Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan duoc da snippets" » "phan duoc code snippets", "phan duc da snippets", "phan quoc da snippets", "nhan duoc da snippets", "phan duoc dai snippets", "phan duoc dan snippets", "phan duoc dao 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 duoc 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 duoc da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan duoc da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan duoc da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.