Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu thuy cuu snippets" » "thi thuy cuu snippets", "thuc thuc cuu snippets", "thu thuat cuu snippets", "thu thuc cua snippets", "thu thuy luc snippets", "thu thu cua 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: (((("thu thuy cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu thuy cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu thuy cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu thuy cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.