Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua lam lon snippets" » "cua tam lon snippets", "cua nam lon snippets", "cua am lon snippets", "cua lam son snippets", "cua lai lon snippets", "cua lam dong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("cua lam lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua lam lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua lam lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua lam lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.