Perhaps you should try some spelling variations:
"nho toi doan snippets" » "nho toi code snippets", "nho thi doan snippets", "nho tri doanh snippets", "nho thai doan snippets", "nho tai doan snippets", "cho tuoi doan snippets", "tho thoi doan snippets"
"locating bug core snippets" » "locating bug code 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: (((("python using java snippets") or ("nho toi doan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("nho toi doan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( nho toi doan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("nho toi doan snippets"))) or ("locating bug core snippets"))*.