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