Perhaps you should try some spelling variations:
tranh hoac » thanh hoach, thanh hoa, trinh hoa
hoac khong » hoa khong, hoc khong, hay khong
khong cong » thong cong, khong cang, chong cong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
hoc tien » hoc tieng, hoc hien, hoc vien
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc tien) or (hoc thiet)) thanh - canh tranh hoac khong cong doan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc tien) OR (hoc thiet)) thanh - canh tranh hoac khong cong doan phan cac.
• Adding a wildcard symbol may retrieve word variants: ((hoc tien) or (hoc thiet)) thanh - canh tranh hoac khong cong doan phan cac*.