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