Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhap van chi snippets" » "nhap van code snippets", "nha van chi snippets", "nhan van chi snippets", "phap van chi snippets", "nhap van chien snippets", "nhap luan chi snippets", "nhap van chat 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 van chi 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 van chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhap van chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap van chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.