Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dai tu hon snippets" » "dai tu code snippets", "dai thu hon snippets", "tai tu hon snippets", "mai tu hon snippets", "dai tu chon snippets", "dai tuc hon snippets", "dai tu hoc 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: (((("dai tu hon snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dai tu hon snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dai tu hon snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai tu hon snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.