Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc phan du snippets" » "duc phan code snippets", "dung phan du snippets", "duc thang du snippets", "duc phung du snippets", "duc phan dau snippets", "duc phan duc snippets", "duc phan dua 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: (((("python using java snippets") or ("duc phan du snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duc phan du snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( duc phan du snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("duc phan du snippets"))) or ("locating bug core snippets"))*.