Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh tranh » canh tranh, hanh trang, lanh tranh
trung cong » truong cong, trong cong, trung uong
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
cua trung » cua truong, xuan trung, cua nhung
cong nhat » cong nhan, cong ha, cong suat
nhat toan » nhat tan, thuat toan, nhat trang
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 hieu lang - ((hanh tranh) or (hanh trinh)) cua trung cong nhat toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - ((hanh tranh) OR (hanh trinh)) cua trung cong nhat toan cao.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - ((hanh tranh) or (hanh trinh)) cua trung cong nhat toan cao*.