Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giua cau he snippets" » "giua cac he snippets", "giua cau ha snippets", "giua cau de snippets", "gia cau he snippets", "giup cau he 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: (((("giua cau he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giua cau he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giua cau he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giua cau he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.