Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"yang danh so snippets" » "yang danh code snippets", "dang dinh so snippets", "tang dan so snippets", "van danh so snippets", "yang dinh so snippets", "yang anh so snippets", "yang dan so 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: (((("yang danh so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("yang danh so snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( yang danh so snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("yang danh so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.