Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung cu con snippets" » "nhung cu code snippets", "nhung cau con snippets", "nhung chu con snippets", "chung cu con snippets", "nhung cua con snippets", "nhung cu co snippets", "nhung du con 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: (((("nhung cu con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung cu con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhung cu con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung cu con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.