Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"mai quoc bao snippets" » "han quoc bao snippets", "mai quan bao snippets", "mai ngoc bao snippets", "mai quoc oai snippets", "mai hoc bao snippets", "mai quoc va 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: (((("mai quoc bao snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mai quoc bao snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( mai quoc bao snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mai quoc bao snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.