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