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