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