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