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