Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san cao dong snippets" » "san cao dang snippets", "san lao dong snippets", "san cao cong snippets", "san co dong snippets", "san cho dong snippets", "san bao dong 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: (((("san cao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("san cao dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san cao dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san cao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.