Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi dan hoi snippets" » "hoi dan hoi snippets", "choi dan hoi snippets", "khoi can hoi snippets", "khoi dan hoc snippets", "khoi dai hoi snippets", "khoi dang khoi 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 dan hoi 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 dan hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi dan hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi dan hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.