Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"menh cua toi snippets" » "manh cua toi snippets", "benh chua toi snippets", "mang cua toi snippets", "menh cua hoi snippets", "menh cua moi snippets", "menh cua loai 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: (((("menh cua toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("menh cua toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( menh cua toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("menh cua toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.