Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuc cham hoc snippets" » "toc cham hoc snippets", "tu cham hoc snippets", "phuc cham hoc snippets", "tuc cham soc snippets", "tuc chat hoc snippets", "tuc cham hoi 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: (((("tuc cham hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tuc cham hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuc cham hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuc cham hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.