Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can nang he snippets" » "cam nang he snippets", "cao nang he snippets", "van nang he snippets", "can nang ho snippets", "can bang he snippets", "can nang nghe 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: (((("can nang he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can nang he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can nang he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can nang he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.