Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao bo chi snippets" » "do bo chi snippets", "dao o chi snippets", "dao do chi snippets", "dao bao chi snippets", "dao ho chi snippets", "dao bo cai 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 bo chi 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 bo chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao bo chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao bo chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.