Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cay moi cua snippets" » "cac moi cua snippets", "cay mo cua snippets", "can moi cua snippets", "cay hoi cua snippets", "cay doi cua snippets", "cay moi quan 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 moi cua 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 moi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cay moi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cay moi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.