Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam nhan du snippets" » "cam nhan du snippets", "dam nhan du snippets", "ham nhan du snippets", "lam nhan su snippets", "lam han du snippets", "lam nhan xu 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: (((("lam nhan du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam nhan du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam nhan du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam nhan du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.