Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
thanh dinh » thanh binh, thanh tinh, thanh vinh
nhung cong » dung cong, thong cong, hang cong
hanh sinh » hanh tinh, hanh dinh, hinh sinh
vat nhung » va nhung, vap nhung, vai nhung
cong vinh » cong trinh, trong vinh, cong viec
vinh toan » tinh toan, hinh toan, minh toan
toan cau » 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 hien nhanh - ((hanh sinh) or (thanh dinh)) vat nhung cong vinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - ((hanh sinh) OR (thanh dinh)) vat nhung cong vinh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - ((hanh sinh) or (thanh dinh)) vat nhung cong vinh toan cau*.