Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"le doan chat snippets" » "le don chat snippets", "le doan chuan snippets", "le doanh chau snippets", "le dan chat snippets", "ly doanh chat snippets", "le hoang chat 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: (((("le doan chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("le doan chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( le doan chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("le doan chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.