Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hung gi he snippets" » "nhung gi he snippets", "hung vi he snippets", "nhung gia he snippets", "hung gi de snippets", "hung gi ve 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: (((("hung gi 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: (((("hung gi he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hung gi he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung gi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.