Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi tuc hon snippets" » "choi thuc hon snippets", "khoi thuy hon snippets", "ki tuc hon snippets", "khoi tu hon snippets", "khoi tuc huong snippets", "khoi tuc phong 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: (((("khoi tuc hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi tuc hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi tuc hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi tuc hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.