Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi bao don snippets" » "thi hao don snippets", "thi ba don snippets", "tai bao don snippets", "thi bao ton snippets", "thi bao duong 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 bao don 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 bao don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi bao don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi bao don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.