Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"keo dung dat snippets" » "keo cung dat snippets", "khoa dung dat snippets", "khao dung dat snippets", "keo dung va snippets", "keo dung tai snippets", "keo dung dat 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: (((("keo dung dat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("keo dung dat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( keo dung dat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("keo dung dat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.