Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ly khanh da snippets" » "le khanh da snippets", "ly hanh da snippets", "ly nhanh da snippets", "ly khanh hoa snippets", "ly thanh dat snippets", "ly khanh tra 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: (((("ly khanh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ly khanh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ly khanh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ly khanh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.