Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhap cong le snippets" » "nhap cong code snippets", "phap cong le snippets", "phap chong le snippets", "phan cong le snippets", "nhap cuong le snippets", "nhap cong li snippets", "nhap hong le 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 cong le 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 cong le snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhap cong le snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap cong le snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.