Perhaps you should try some spelling variations:
"co mau chien snippets" » "co mau code snippets", "co mau chuyen snippets", "co van chien snippets", "co cac chien snippets", "cho mau chien snippets", "co ma chien snippets", "co cau chien snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using 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: (((("co mau chien snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"co mau chien snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( co mau chien snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co mau chien snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.