Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tinh duc con snippets" » "tinh duc code snippets", "minh duc con snippets", "dinh duc con snippets", "ninh duc con snippets", "tinh duc cong snippets", "tinh duc ton snippets", "tinh duc cuong 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: (((("tinh duc 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: (((("tinh duc con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tinh duc con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh duc con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.