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"
"thuoc tu 05 snippets" » "thuoc tru 05 snippets", "thuoc tai 05 snippets", "thuoc cuc 05 snippets", "thuoc tu 01 snippets", "thuoc tu 07 snippets", "thuoc tu 08 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: (((("thuoc tu 05 snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuoc tu 05 snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thuoc tu 05 snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuoc tu 05 snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.