Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap moi cong snippets" » "cap noi cong snippets", "cap voi cong snippets", "cap tai cong snippets", "cac moi cong snippets", "can moi cong snippets", "cap mon cong 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 moi cong 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 moi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap moi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap moi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.