Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong dau con snippets" » "cong dau code snippets", "cong dan con snippets", "cong cau con snippets", "cong da con snippets", "cong day con snippets", "cong dau co snippets", "cong 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: (((("python using java snippets") or ("cong dau 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 dau con snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong dau con snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong dau con snippets"))) or ("locating bug core snippets"))*.