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