Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhin ve cua snippets" » "nhin viet cua snippets", "nhien va cua snippets", "nhin le cua snippets", "nhin de cua snippets", "nhin te 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: (((("nhin ve 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: (((("nhin ve cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhin ve cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhin ve cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.