Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong lam son snippets" » "cong lam code snippets", "nong lam son snippets", "cong nam son snippets", "cong lap son snippets", "cong lam san snippets", "cong lam sang snippets", "cong lang 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 lam son 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 lam son snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong lam son snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong lam son snippets"))) or ("locating bug core snippets"))*.