Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
hoc thieu » toc thieu, hoc hien
hanh tinh » hanh trinh, thanh tinh, canh tinh
dung cong » dung trong
cong vinh » cong trinh, trong vinh, cong viec
vinh toan » tinh toan, hinh toan, minh toan
cua dung » cua dang, cua dong, qua dung
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: hoc thieu xanh - ((hanh tinh) or (nhanh tinh)) cua dung cong vinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh tinh) OR (nhanh tinh)) cua dung cong vinh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh tinh) or (nhanh tinh)) cua dung cong vinh toan cao*.