Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc tinh da snippets" » "hoc trinh da snippets", "hoc sinh da snippets", "hoc kinh da snippets", "hoc tinh va snippets", "hoc tinh gia snippets", "hoc tinh lao 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: (((("hoc tinh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc tinh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc tinh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc tinh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.