Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan ve cham snippets" » "nhan ve code snippets", "nhan va cham snippets", "nhat ve cham snippets", "nhin ve cham snippets", "nhan ve chat snippets", "nhan vu cham 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: (((("nhan ve cham snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan ve cham snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhan ve cham snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan ve cham snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.