Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw snippets"
"pham le dao snippets" » "phan le dao snippets", "pham lan dao snippets", "pham de dao snippets", "pham le dan snippets", "pham ly dao 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: (((("pham le dao snippets") or ("python using sat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham le dao snippets") OR ("python using sat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pham le dao snippets ) or ( python using sat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham le dao snippets") or ("python using sat snippets"))) or ("locating bug core snippets"))*.