Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho bia cong snippets" » "cho gia cong snippets", "cho bi cong snippets", "cho giua cong snippets", "cho ba cong snippets", "cho giao 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: (((("cho bia 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: (((("cho bia cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho bia cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho bia cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.