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