Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu vat hoa snippets" » "thuc vat hoa snippets", "thu va hoa snippets", "thuat vat hoa snippets", "thu vat khoa snippets", "thu van hoa snippets", "thu vat hoc 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: (((("thu vat hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu vat hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu vat hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu vat hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.