Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ten hang cua snippets" » "te hang cua snippets", "ten lang cua snippets", "tien hoang cua snippets", "ten mang cua snippets", "ten hang ca snippets", "ten huong cua 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: (((("ten hang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ten hang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ten hang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ten hang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.