Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu ly che snippets" » "hieu ky che snippets", "lieu ly che snippets", "hien ly che snippets", "hieu ly chi snippets", "hieu ly he snippets", "hieu la che 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 che 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 che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu ly che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu ly che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.