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