Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"doan lieu ly snippets" » "doan dieu ly snippets", "dan lieu ly snippets", "doanh hieu ly snippets", "doan lieu ky snippets", "doan lieu xay snippets", "doan lieu lon 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: (((("doan lieu ly snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan lieu ly snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doan lieu ly snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan lieu ly snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.