Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim nam cao snippets" » "kim nham cao snippets", "kim ngan cao snippets", "khme nam cao snippets", "kim nam sao snippets", "kim nam giao 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: (((("kim nam cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kim nam cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim nam cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim nam cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.