Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong tan hon snippets" » "cong tan code snippets", "cong tac hon snippets", "cong san hon snippets", "cong thanh hon snippets", "cong tam hon snippets", "cong tan hoi snippets", "cong tan son 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 tan hon 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 tan hon snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong tan hon snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong tan hon snippets"))) or ("locating bug core snippets"))*.