Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu ly te snippets" » "hieu ky te snippets", "lieu ly te snippets", "hien ly te snippets", "hieu y te snippets", "hieu ly ke snippets", "hieu ly ve 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: (((("hieu ly te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu ly te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu ly te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu ly te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.