Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi nuoc cao snippets" » "thi ngoc cao snippets", "thi quoc cao snippets", "thon nuoc cao snippets", "thi nuoc cho snippets", "thi nuoc ao snippets", "thi nuoc bao 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 nuoc 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 nuoc cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi nuoc cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi nuoc cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.