Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luoc can hoi snippets" » "luc canh hoi snippets", "hoc can hoi snippets", "luoc dai hoi snippets", "luoc cau hoi snippets", "luoc can ho snippets", "luoc dan hoi 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: (((("luoc can hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luoc can hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luoc can hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc can hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.