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