Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuat doc mo snippets" » "thuat duoc mo snippets", "thuat do mo snippets", "thuat doi mo snippets", "thuat uoc mo snippets", "thuat duc mo 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: (((("thuat doc mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuat doc mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuat doc mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuat doc mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.