Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan dau ho snippets" » "phan dau code snippets", "phan tu ho snippets", "hang dau ho snippets", "phan dau co snippets", "phan dao ho snippets", "phan dau mo 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: (((("phan dau ho snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan dau ho snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phan dau ho snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan dau ho snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.