Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong noi he snippets" » "cong noi code snippets", "cong nhoi he snippets", "cong goi he snippets", "cong soi he snippets", "cong noi ve snippets", "cong moi he snippets", "cong noi de 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 noi he 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 noi he snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong noi he snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong noi he snippets"))) or ("locating bug core snippets"))*.