Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hang cong » dang cong, hang nong, bang cong
manh toan » thanh toan, anh tuan, tinh toan
anh hung » anh huong, manh hung, anh dung
hung cua » huong cua, chung cua, khung cua
cua hang » cua dang, cua nhung, cua cong
dan than » dan chan, ban than, van than

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 - anh hung cua hang cong ((manh toan) or (dan than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - anh hung cua hang cong ((manh toan) OR (dan than)) cao*.