Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung mot cua snippets" » "dung mot code snippets", "dung mo cua snippets", "dung co cua snippets", "dung dat cua snippets", "dung mat cua snippets", "dung mot nua snippets", "dung mot chut 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 mot cua 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 mot cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung mot cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung mot cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.