Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nao doi canh snippets" » "nao doi code snippets", "nao doi hanh snippets", "nao boi canh snippets", "nao do canh snippets", "nam doi canh snippets", "nao noi canh snippets", "tao doi 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: (((("nao doi 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: (((("nao doi canh snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nao doi canh snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao doi canh snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.