Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sinh kiem du snippets" » "trinh kiem du snippets", "binh khiem du snippets", "sinh vien du snippets", "sinh diem du snippets", "sinh hiem du snippets", "sinh kiem thu 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: (((("sinh kiem du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sinh kiem du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh kiem du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh kiem du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.