Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngan danh ve snippets" » "ngan hang ve snippets", "ngan sach ve snippets", "nhan dan ve snippets", "ngan dinh ve snippets", "ngan hanh ve snippets", "ngan anh ve 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: (((("ngan danh 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: (((("ngan danh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngan danh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngan danh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.