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