Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
luong cong » dung cong, trong cong, cong cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tinh » hanh trinh, thanh tinh, canh tinh
cua luong » cu luong, cua huong, chat luong
dan than » dan chan, ban than, van than
van toan » van tuan, van tan, van thanh

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 - ((hanh tinh) OR (nhanh tinh)) cua luong cong ((dan than) or (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh tinh) OR (nhanh tinh)) cua luong cong ((dan than) OR (van toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((hanh tinh) OR (nhanh tinh)) cua luong cong ((dan than) or (van toan)) cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh tinh) OR (nhanh tinh)) cua luong cong ((dan than) or (van toan)) cao*.