Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan hoi du snippets" » "dan hoi du snippets", "tao hoi du snippets", "tay hoi du snippets", "tan hoi tu snippets", "tan hoi cu snippets", "tan toi du 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 hoi du 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 hoi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan hoi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan hoi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.