Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao le doi snippets" » "do le doi snippets", "dao ve doi snippets", "hao le doi snippets", "dao te doi snippets", "dao ly doi 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 le doi 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 le doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao le doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao le doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.