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