Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan dung mot snippets" » "tran dung mot snippets", "tin dung mot snippets", "van dung mot snippets", "tan dung mo snippets", "tan dung co snippets", "tan dung dat 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 dung mot 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 dung mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan dung mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan dung mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.