Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong dac con snippets" » "cong dac code snippets", "cong tac con snippets", "cong dan con snippets", "cong cac con snippets", "cong day con snippets", "cong dac co snippets", "cong duc 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: (((("python using java snippets") or ("cong dac con snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cong dac con snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong dac con snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong dac con snippets"))) or ("locating bug core snippets"))*.