Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao cho che snippets" » "cao cho che snippets", "dac cho che snippets", "dao ho che snippets", "dao co che snippets", "dao cho chu snippets", "dao cho he 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 cho che 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 cho che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao cho che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao cho che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.