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"
"khoi can va snippets" » "khoa can va snippets", "khoi nang va snippets", "hoc can va snippets", "khoi can van snippets", "khoi canh va snippets", "khoi ban va snippets"

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

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