Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh bac ho snippets" » "doanh bac ho snippets", "danh bat ho snippets", "dan bac ho snippets", "danh bac bo snippets", "danh bac ha 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 ho 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 ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh bac ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh bac ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.