Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"di cau viet slippery" » "di ca viet slippery", "di chu viet slippery", "di cao viet slippery", "da cau viet slippery", "diem cau viet slippery", "di cau viet slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("di cau viet slippery") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("di cau viet slippery") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( di cau viet slippery ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("di cau viet slippery") or ("python using java snippets"))) or ("locating bug core snippets"))*.