Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"missing java java snippets" » "missing data java snippets", "using java java snippets"
"vi trinh do snippets" » "vi trinh code snippets", "vi tinh do snippets", "va trinh do snippets", "viet trinh do snippets", "vi trinh ky snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vi trinh do snippets") OR ("missing java java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( vi trinh do snippets ) or ( missing java java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi trinh do snippets") or ("missing java java snippets"))) or ("locating bug core snippets"))*.