Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cay doanh co snippets" » "vay doanh co snippets", "cac doanh co snippets", "cao doanh co snippets", "cay doanh cua snippets", "cay doanh va snippets", "cay 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: (((("cay doanh 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: (((("cay doanh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cay doanh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cay doanh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.