Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoang soi co snippets" » "hoang son co snippets", "hoang thi co snippets", "hoang hai co snippets", "hoang moi co snippets", "hoang hoi co snippets", "hoang doi co 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: (((("hoang soi co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoang soi co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoang soi co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang soi co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.