Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi dieu che snippets" » "moi dieu che snippets", "doi dien che snippets", "boi dieu che snippets", "doi lieu che snippets", "doi diem chet snippets", "doi dieu chan 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: (((("doi dieu che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi dieu che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi dieu che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dieu che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.