Perhaps you should try some spelling variations:
"python using code snippets" » "python using cfd snippets", "python using one snippets"
"dac tinh doc snippets" » "may tinh doc snippets", "va tinh doc snippets", "ha tinh doc snippets", "dac trinh doc snippets", "dac tinh hoc snippets", "dac tinh doi snippets"
"locating bug core snippets" » "locating bug code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using code snippets") OR ("dac tinh doc snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using code snippets\") OR (\"dac tinh doc snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using code snippets ) OR ( dac tinh doc snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using code snippets") OR ("dac tinh doc snippets"))) OR ("locating bug core snippets"))*.