Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung dan cha snippets" » "dung dan code snippets", "dung dat cha snippets", "dung san cha snippets", "tung dan cha snippets", "dung dan chan snippets", "dung dan ca snippets", "dung dan cua 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: (((("dung dan cha snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dan cha snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung dan cha snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dan cha snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.