Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh tu choi snippets" » "minh thu choi snippets", "manh tu choi snippets", "tinh tu choi snippets", "minh su choi snippets", "minh tu chi snippets", "minh tu chon 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: (((("minh tu choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("minh tu choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh tu choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh tu choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.