Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don doi toi snippets" » "dong doi toi snippets", "uon doi toi snippets", "duong doi toi snippets", "don doi thoi snippets", "don doi voi snippets", "don doi moi 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: (((("don doi 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: (((("don doi toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don doi toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don doi toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.