Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vang tao cau snippets" » "sang tao cau snippets", "nang tao cau snippets", "hang tai cau snippets", "vang tao cu snippets", "vang tao cao snippets", "vang tao sau 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 cau 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 cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vang tao cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vang tao cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.