Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dot dan hoc snippets" » "do dan hoc snippets", "doi dan hoc snippets", "dong dan hoc snippets", "dot van hoc snippets", "dot dan toc snippets", "dot dai hoc 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: (((("dot dan 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: (((("dot dan hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dot dan hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dot dan hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.