Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc cao du snippets" » "thuoc cao du snippets", "thuc co du snippets", "thuc can du snippets", "thuc cao duc snippets", "thuc cac du snippets", "thuc cao su 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: (((("thuc cao du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc cao du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc cao du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc cao du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.