Perhaps you should try some spelling variations:
quang thoan » quang hoan, quang thoai, quang toan
thoan lang » thon lang, hoa lang, hoang lang
hien manh » hien hanh, tien manh, hieu manh
lang cong » dang cong, bang cong, hang cong
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien manh - tran quang thoan lang cong tac than cau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien manh - tran quang thoan lang cong tac than cau*.