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