Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"wei tao hoi snippets" » "wei tan hoi snippets", "wei tang hoi snippets", "wei tao khoi snippets", "wei tao boi snippets", "wei tay hoi 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: (((("wei tao hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("wei tao hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( wei tao hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("wei tao hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.