Perhaps you should try some spelling variations:
"pha ban doan snippets" » "pha ban code snippets", "pha ban doanh snippets", "pha ban dan snippets", "pha ban soan snippets", "pha san doan snippets", "pha tan doan snippets", "nhat ban doan snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

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 ("pha ban doan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("pha ban doan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( pha ban doan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("pha ban doan snippets"))) or ("locating bug core snippets"))*.