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