Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luoc anh co snippets" » "luoc canh co snippets", "luoc danh co snippets", "nuoc anh co snippets", "luoc anh so snippets", "luoc danh cho snippets", "luoc nganh 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: (((("luoc anh 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: (((("luoc anh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luoc anh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc anh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.