Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach lam du snippets" » "thach lam du snippets", "hanh lam du snippets", "cap lam du snippets", "cach lam dau snippets", "cach lap du snippets", "cach la du 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: (((("cach lam 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: (((("cach lam du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach lam du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach lam du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.