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