Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc hanh ve snippets" » "duc thanh ve snippets", "duc anh ve snippets", "du hanh ve snippets", "duc hanh vi snippets", "duc hanh va snippets", "duc hanh kem 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: (((("duc hanh 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: (((("duc hanh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc hanh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc hanh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.