Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong doi toi snippets" » "dong doi code snippets", "duong doi toi snippets", "dung doi toi snippets", "dong hoi toi snippets", "dong doi thoi snippets", "dong doi voi snippets", "dong doi moi snippets"
"python using java snippets" » "python using data 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: (((("dong doi toi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong doi toi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong doi toi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong doi toi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.