Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quang le de snippets" » "quang yen de snippets", "quan ly de snippets", "quan li de snippets", "quang e de snippets", "quang le d snippets", "quang le le 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: (((("quang le de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quang le de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quang le de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quang le de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.