Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"xua cua do snippets" » "xua cua code snippets", "xuat cua do snippets", "qua cua do snippets", "lua cua do snippets", "xua cua dao snippets", "xua cua bo snippets", "xua cua co 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: (((("xua cua do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xua cua do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( xua cua do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xua cua do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.