Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan co van slippery" » "phan bo van slippery", "phan cong van slippery", "phan cac van slippery", "phan cao van slippery", "phan vo van slippery", "phan so van slippery", "phan co van slippers"

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 ("phan co van slippery"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("phan co van slippery"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( phan co van slippery ))) or ( locating bug core snippets ))*.