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