Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc hong he snippets" » "hoc huong he snippets", "hoc khong he snippets", "hoc cong he snippets", "hoc hong het snippets", "hoc hong hue 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: (((("hoc hong 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: (((("hoc hong he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc hong he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc hong he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.