Perhaps you should try some spelling variations:
"cha tap toan snippets" » "cha tap code snippets", "cha tap doan snippets", "cha tap quan snippets", "cha bai toan snippets", "chua tap toan snippets", "pha tap toan snippets", "cua tap toan 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 ("cha tap toan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cha tap toan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cha tap toan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cha tap toan snippets"))) or ("locating bug core snippets"))*.