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