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