Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao ninh co snippets" » "dao minh co snippets", "dao dinh co snippets", "dao tinh co snippets", "dao kinh co snippets", "dao sinh co 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: (((("dao ninh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao ninh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao ninh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao ninh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.