Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang han cho snippets" » "tang hanh cho snippets", "tang van cho snippets", "tang ha cho snippets", "tang hang cho snippets", "tang han che snippets", "tang san cho 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: (((("tang han cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang han cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang han cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang han cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.