Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho duoc xon snippets" » "che duoc xon snippets", "co duoc xon snippets", "cho cuoc xon snippets", "cho duoc dong snippets", "cho duoc hoc snippets", "cho duoc 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: (((("cho duoc xon 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 duoc xon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho duoc xon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho duoc xon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.