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