Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoach du cac snippets" » "hoach su cac snippets", "hoach de cac snippets", "hoach do cac snippets", "hoach duc cac snippets", "hoach tu cac 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: (((("hoach du cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoach du cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoach du cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoach du cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.