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