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