Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat hieu cuc snippets" » "dat hieu code snippets", "dao hieu cuc snippets", "dat tieu cuc snippets", "rat nhieu cuc snippets", "dat hieu luc snippets", "dat hieu cac snippets", "dat hieu cua snippets"
"python using java snippets" » "python using data 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: (((("dat hieu cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat hieu cuc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dat hieu cuc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat hieu cuc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.