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