Perhaps you should try some spelling variations:
hganh nang » nganh nong, anh nang
thong cong » trong cong, tong cong, thong thong
tieu xanh » tieu danh, chieu xanh, dieu hanh
ganh nang » anh nang, nganh nong, van nang
cua thong » cua thuong, cua khong, cua tong
cong tap » cuong tap, cong tac, cong tan
tap doan » tap quan
doan dau » doan dieu, phan dau, doan va

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - ((hganh nang) or (ganh nang)) cua thong cong tap doan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hganh nang) OR (ganh nang)) cua thong cong tap doan dau*.