Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luong ky co snippets" » "duong ky co snippets", "tuong ky co snippets", "cuong ky co snippets", "luong ky cho snippets", "luong ty co snippets", "luong ly co 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 co 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 co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong ky co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong ky co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.