Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao lam doi snippets" » "da lam doi snippets", "dao nam doi snippets", "dat lam doi snippets", "dao lap doi snippets", "dao lam di 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 lam 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 lam doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao lam doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao lam doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.