Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san cho xe snippets" » "sang cho xe snippets", "san chi xe snippets", "san co xe snippets", "san cho he snippets", "san cho xa 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 cho xe 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 cho xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san cho xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san cho xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.