Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc hon che snippets" » "phuc hoi che snippets", "phuc hoa che snippets", "phuc hoc che snippets", "phuc han che snippets", "phuc khong che snippets", "phuc phan che 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: (((("phuc hon che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc hon che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc hon che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc hon che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.