Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong tu soc snippets" » "dong luc soc snippets", "thong tu soc snippets", "dong tai soc snippets", "dong tu hoc snippets", "dong tu so snippets", "dong tu goc 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 tu soc 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 tu soc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong tu soc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tu soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.