Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doan va hon snippets" » "doan va code snippets", "doan va hoan snippets", "doan va hoc snippets", "doan va con snippets", "doanh va hon snippets", "dan va hon snippets", "toan va hon snippets"
"python using java snippets" » "python using data 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: (((("doan va hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan va hon snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doan va hon snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan va hon snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.