Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"deo cua tinh snippets" » "deo cua sinh snippets", "deo va tinh snippets", "deo ha tinh snippets", "de cua tinh snippets", "do cua tinh snippets", "dao cua tinh snippets", "deo cua tinh slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("deo cua tinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("deo cua tinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( deo cua tinh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("deo cua tinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.