Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham cua can snippets" » "chat cua can snippets", "cham cuu can snippets", "ham cua can snippets", "cham cua cac snippets", "cham cua ban snippets", "cham cua dan 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: (((("cham cua 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: (((("cham cua can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham cua can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham cua can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.