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"
"cap viet van snippets" » "ca viet van snippets", "dap viet van snippets", "cam viet van snippets", "cap viet nam snippets", "cap viet anh snippets", "cap viet ha snippets"

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

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