Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho hang di snippets" » "kho tang di snippets", "cho hang di snippets", "khoa dang di snippets", "kho hang doi snippets", "kho hang vi snippets", "kho hang dien 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: (((("kho hang di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho hang di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho hang di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho hang di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.