Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nang cua chi snippets" » "nang cua code snippets", "mang cua chi snippets", "hang cua chi snippets", "nang dua chi snippets", "nang cua chu snippets", "nang ca chi snippets", "nang cua cha 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: (((("nang cua 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: (((("nang cua chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nang cua chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang cua chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.