Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luong ki can snippets" » "luong ke can snippets", "luong ky can snippets", "luong kiem can snippets", "luong i can snippets", "luong khoi can snippets", "luong kinh can 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 ki can 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 ki can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong ki can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong ki can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.