Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"quoc toan do snippets" » "quoc toan code snippets", "quoc oai do snippets", "quoc quan do snippets", "ngoc toan do snippets", "quoc toan ho snippets", "quoc toan co snippets", "quoc toan du 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: (((("quoc toan do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quoc toan do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( quoc toan do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc toan do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.