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