Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac bai con snippets" » "cac bai con snippets", "tap bai con snippets", "tac bao con snippets", "tac bai lon snippets", "tac hai con snippets", "tac tai cong 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: (((("tac bai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tac bai con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac bai con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac bai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.