Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu tap he snippets" » "khau tai he snippets", "thu thap he snippets", "thuc tap he snippets", "khu tao he snippets", "khu tap ve snippets", "khu tap de 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: (((("khu tap he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu tap he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu tap he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu tap he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.