Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thu le toan snippets" » "thu le code snippets", "thu ke toan snippets", "thu le doan snippets", "thu le tuan snippets", "thu les toan snippets", "thu xe toan snippets", "tu le toan 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: (((("thu le 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: (((("thu le toan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( thu le toan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu le toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.