Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van sach doi snippets" » "van sach code snippets", "ban sach doi snippets", "van hach doi snippets", "ngan sach doi snippets", "van sach hoi snippets", "van sach moi snippets", "van sach dao 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 ("van sach doi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van sach doi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van sach doi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van sach doi snippets"))) or ("locating bug core snippets"))*.