Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat dam cao snippets" » "chat cam cao snippets", "hat dam cao snippets", "thuat dam cao snippets", "chat dam bao snippets", "chat nam cao snippets", "chat dam rao 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 dam 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: (((("chat dam cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat dam cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat dam cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.