Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat chua xe snippets" » "chat cua xe snippets", "cha chua xe snippets", "chat nhua xe snippets", "chat chua xi snippets", "chat chuan he snippets", "chat chuan ve 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: (((("chat chua xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chat chua xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat chua xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat chua xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.