Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap dam cu snippets" » "phap day cu snippets", "phap lam cu snippets", "phap dao cu snippets", "phap dam cua snippets", "phap dan cu snippets", "phap da cu 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: (((("phap dam cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap dam cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap dam cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap dam cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.