Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban mach doi snippets" » "ban sach doi snippets", "ranh mach doi snippets", "ban hanh doi snippets", "ban gach duoi snippets", "ban mach vi 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: (((("ban mach doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban mach doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban mach doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban mach doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.