Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toi gian voi snippets" » "thoi gian voi snippets", "thi giang voi snippets", "don gian voi snippets", "toi gian hoi snippets", "toi gian ve snippets", "toi dien voi 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 voi 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 voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toi gian voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toi gian voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.