Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua sinh soc snippets" » "cho sinh soc snippets", "hoa sinh soc snippets", "va sinh soc snippets", "cua sinh hoc snippets", "cua sinh so snippets", "cua tinh soc 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: (((("cua sinh 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: (((("cua sinh soc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua sinh soc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua sinh soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.