Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho gian hoi snippets" » "cho giang hoi snippets", "cho giao hoi snippets", "cho gia hoi snippets", "cho gian thai snippets", "cho gian ha snippets", "cho gian o 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: (((("cho gian 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: (((("cho gian hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho gian hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho gian hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.