Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"co trinh le snippets" » "co trinh code snippets", "co tranh le snippets", "cong trinh le snippets", "tao trinh le snippets", "co trinh ly snippets", "co trinh he snippets", "co trinh ve 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 trinh le 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 trinh le snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( co trinh le snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co trinh le snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.