Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hanh trang » thanh trung, canh tranh, minh trang
hieu xanh » chieu xanh, hieu manh, hieu nganh
dung tong » dung trong, dung thong, dung cong
tong luan » tang luan, dung luan, hang luan
luan phan » luan van, luan hoan
doc hieu » toc thieu, hoc thieu, hoc hien
qua dung » quang dung, su dung, qua song
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: doc hieu xanh - ((hanh trang) or (hanh trinh)) qua dung tong luan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - ((hanh trang) OR (hanh trinh)) qua dung tong luan phan cac*.