Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc vu ton snippets" » "phuc vu ton snippets", "thuc va ton snippets", "thuc ve ton snippets", "thuc vu tong snippets", "thuc vu son 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: (((("thuc vu ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc vu ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc vu ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc vu ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.