Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thich anh di snippets" » "thi hanh di snippets", "hinh anh di snippets", "thich danh di snippets", "thich xanh di snippets", "thich anh d 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: (((("thich anh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thich anh di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thich anh di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thich anh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.