Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets"
"pham le dat snippets" » "phan le dat snippets", "pham lan dat snippets", "pham le dan snippets", "pham de dat snippets", "pham le dac snippets"

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 dat snippets") OR ("python using raw snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"pham le dat snippets\") OR (\"python using raw snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( pham le dat snippets ) OR ( python using raw snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham le dat snippets") OR ("python using raw snippets"))) OR ("locating bug core snippets"))*.