Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh bac do snippets" » "doanh bac do snippets", "danh bat do snippets", "dan bac do snippets", "danh bac bo snippets", "danh ban do snippets", "danh bac ho 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: (((("danh bac do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh bac do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh bac do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh bac do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.