Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doan di cua snippets" » "doan di code snippets", "doan vi cua snippets", "doan do cua snippets", "doan dieu cua snippets", "doan dai cua snippets", "doan doi cua snippets", "doan de 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: (((("python using java snippets") or ("doan di cua snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doan di cua snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doan di cua snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doan di cua snippets"))) or ("locating bug core snippets"))*.