Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc lam dong snippets" » "toc lao dong snippets", "toc lam sang snippets", "toc ha dong snippets", "hoc lam dong snippets", "tac lam dong snippets", "toc la dong 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: (((("toc lam dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc lam dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc lam dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc lam dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.