Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong su chi snippets" » "dang su chi snippets", "dong tu chi snippets", "dong luc chi snippets", "dong su choi snippets", "dong su thi snippets", "dong cu chi 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: (((("dong su chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong su chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong su chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong su chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.