Perhaps you should try some spelling variations:
"thu du chat snippets" » "thu du code snippets", "thu duoc chat snippets", "thu dung chat snippets", "thu doc chat snippets", "thu duc chat snippets", "thu dau chat snippets", "thuc du chat snippets"
"locating bug core snippets" » "locating bug code 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: (((("python using java snippets") or ("thu du chat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thu du chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( thu du chat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("thu du chat snippets"))) or ("locating bug core snippets"))*.