Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu luat can snippets" » "thue luat can snippets", "thau luat can snippets", "tu luat can snippets", "thu luat canh snippets", "thu luat dan snippets", "thu luat ban 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: (((("thu luat can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu luat can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu luat can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu luat can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.