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"
"bien tinh tu snippets" » "bi tinh tu snippets", "yen tinh tu snippets", "diep tinh tu snippets", "bien trinh tu snippets", "bien tinh thua snippets", "bien tinh yeu 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: (((("bien tinh tu snippets") or ("python using data snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bien tinh tu snippets") OR ("python using data snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( bien tinh tu snippets ) or ( python using data snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bien tinh tu snippets") or ("python using data snippets"))) or ("locating bug core snippets"))*.