Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vang tao cay snippets" » "sang tao cay snippets", "nang tao cay snippets", "hang tai cay snippets", "vang tao cao snippets", "vang tao may snippets", "vang tao cac 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: (((("vang tao cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vang tao cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vang tao cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vang tao cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.