Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thu tu doan snippets" » "thu tu code snippets", "thu du doan snippets", "thu tu dan snippets", "thu tap doan snippets", "thu tuc doan snippets", "tu tu doan snippets", "thu thuy doan 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: (((("thu tu doan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu tu doan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thu tu doan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu tu doan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.