Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao phuc do snippets" » "khac phuc do snippets", "khu phuc do snippets", "pham phuc do snippets", "khao phuc co snippets", "khao phac do snippets", "khao phu do 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: (((("khao phuc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khao phuc do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao phuc do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao phuc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.