Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
canh nganh » canh tranh, cac nganh, canh ngon
nganh xay » nganh mac, nganh y, nganh ma
hoc hieu » hoc thieu, hoc hien, doc hieu
cac phan » cac nhan, cao phan, cap phan
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu nganh - canh nganh xay dung trong cac phan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - canh nganh xay dung trong cac phan cau*.