Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hien cho snippets" » "thi lien cho snippets", "thi huyen cho snippets", "thi hue cho snippets", "thi khien cho snippets", "thi hiem cho snippets", "thi dien cho 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 ("thi hien cho snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thi hien cho snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thi hien cho snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thi hien cho snippets"))) or ("locating bug code snippets"))*.