Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dieu che hoc snippets" » "lieu che hoc snippets", "diem chet hoc snippets", "dieu chan hoc snippets", "dieu cho hoc snippets", "dieu che ho snippets", "dieu che thuoc 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: (((("dieu che 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: (((("dieu che hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dieu che hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dieu che hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.