Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"long van da snippets" » "long van code snippets", "luong van da snippets", "song van da snippets", "lang van da snippets", "long van dao snippets", "long van dau snippets", "long van dan 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: (((("long van 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: (((("long van da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( long van da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long van da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.