Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao kong doi snippets" » "hao gong doi snippets", "dao khong doi snippets", "sao khong doi snippets", "hao vong doi snippets", "hao dong doi snippets", "hao mong doi 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: (((("hao kong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao kong doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao kong doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao kong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.