Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"co viet song snippets" » "co viet code snippets", "co viet dong snippets", "co viet huong snippets", "co viet thong snippets", "so viet song snippets", "o viet song snippets", "hoc viet song 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 viet song 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 viet song snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( co viet song snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co viet song snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.