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"
"van dung hoc snippets" » "van dung code snippets", "van dong hoc snippets", "xay dung hoc snippets", "tin dung hoc snippets", "van dung thuoc snippets", "van trung hoc snippets"

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

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