Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc pham can snippets" » "duc pham code snippets", "duoc pham can snippets", "duc phan can snippets", "duc phap can snippets", "duc pham van snippets", "duc pham lan snippets", "duc pham ca 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 pham can 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 pham can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( duc pham can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc pham can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.