Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
tranh thai » trang thai, tran thi, tinh thai
hung trong » huong trong, dung trong, cung trong
trong dang » truong dang, trong dan, trong dong
thai hung » thai nhung, thai vung, tai hung
dang phan » dung phan, nang phan, dang phat
hoc hieu » hoc thieu, hoc hien, doc hieu

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 tranh thai hung trong dang phan tu~.
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - canh tranh thai hung trong dang phan tu*.