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