Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tinh » hanh trinh, thanh tinh, canh tinh
cua dung » cua dang, cua dong, qua dung
cong tap » cuong tap, cong tac, tong tap
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap

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