Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri chat voi snippets" » "tra chat voi snippets", "trinh chat voi snippets", "tri nhan voi snippets", "tri cham voi snippets", "tri chat moi snippets", "tri chat vo 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: (((("python using java snippets") or ("tri chat voi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tri chat voi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tri chat voi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tri chat voi snippets"))) or ("locating bug code snippets"))*.