Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
tranh luan » trinh luan, trinh luat, doanh luan
hoc thien » hoc hien, hoc thieu, hoc thiet
luan nang » luan van, van nang, luan san
nang cong » nang song, dang cong, bang cong
cong dan » cong san, cong tan, huong dan
gian tap » gian tay, gian tam, gian thai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - canh tranh luan nang cong dan gian tap~.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - canh tranh luan nang cong dan gian tap*.