Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mot lan cong snippets" » "mot luan cong snippets", "mot lanh cong snippets", "mot van cong snippets", "mot lang cong snippets", "mot hanh 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: (((("mot lan 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: (((("mot lan cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mot lan cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mot lan cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.