Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham rong hon snippets" » "pham trong hon snippets", "pham cong hon snippets", "nam trong hon snippets", "ham cong hon snippets", "ham rong lon snippets", "ham trong hoan 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: (((("ham rong hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham rong hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham rong hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham rong hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.