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