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