Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi sang cac snippets" » "moi dang cac snippets", "buoi sang cac snippets", "doi song cac snippets", "moi bang cac snippets", "moi sang tac snippets", "moi hang cac 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: (((("moi sang cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("moi sang cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi sang cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi sang cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.