Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ninh duc can snippets" » "ninh duc code snippets", "minh duc can snippets", "dinh duc can snippets", "tinh duc can snippets", "ninh duc tan snippets", "ninh duy can snippets", "ninh duc van 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: (((("ninh duc can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ninh duc can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ninh duc can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ninh duc can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.