Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung cu cac snippets" » "nhung cu code snippets", "nhung cau cac snippets", "nhung chu cac snippets", "chung cu cac snippets", "nhung cua cac snippets", "nhung cuu cac snippets", "nhung cu cao 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: (((("nhung cu cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung cu cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhung cu cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung cu cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.