Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hai toan do snippets" » "hai toan code snippets", "bai toan do snippets", "hai tan do snippets", "hach toan do snippets", "hai toan ho snippets", "hai toan co snippets", "hai toan du snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hai 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: (((("hai toan do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hai toan do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai toan do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.