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