Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc doi lon snippets" » "cuoc doi lon snippets", "duoc hoi lon snippets", "luoc doi lon snippets", "duoc duoi long snippets", "duoc doi song snippets", "duoc roi loan 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: (((("duoc doi lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc doi lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc doi lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc doi lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.