Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua dang son snippets" » "cua dang code snippets", "cua cong son snippets", "cua ban son snippets", "cua lang son snippets", "cua dong son snippets", "cua bang son snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing 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: (((("cua dang son snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua dang son snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cua dang son snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua dang son snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.