Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vat duoc mo snippets" » "dat duoc mo snippets", "luat duoc mo snippets", "xuat duoc mo snippets", "vat duoc moi snippets", "vat duoc ma snippets", "vat duoc co 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: (((("vat duoc mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vat duoc mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vat duoc mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat duoc mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.