Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
hanh trinh » canh tranh, hanh chinh
long tinh » cong tinh, trong tinh, luong tin
doc hieu » toc thieu, hoc thieu, hoc hien
luat dan » luat dat, luat doanh, cua dan
dan long » dan dong, dan ong, van long
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: doc hieu nganh - hanh trinh luat dan long tinh toan cau~.
• Adding a wildcard symbol may retrieve word variants: doc hieu nganh - hanh trinh luat dan long tinh toan cau*.