Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"den ly toan snippets" » "den ly code snippets", "den le toan snippets", "den ly hoan snippets", "den ly tran snippets", "dien ly toan snippets", "den lay toan snippets", "den ky toan 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: (((("den ly toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den ly toan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( den ly toan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den ly toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.