Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ho viet da snippets" » "ho viet code snippets", "hoc viet da snippets", "hoa viet da snippets", "tho viet da snippets", "ho viet dao snippets", "ho viet dat snippets", "ho viet ha snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ho viet da snippets") OR ("python using data snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"ho viet da snippets\") OR (\"python using data snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( ho viet da snippets ) OR ( python using data snippets ))) OR ( locating bug core snippets ))*.