Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che moi voi snippets" » "cho moi voi snippets", "he moi voi snippets", "che mon voi snippets", "che doi voi snippets", "che moi doi snippets", "che moi thoi 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: (((("che moi voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("che moi voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che moi voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che moi voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.