Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
quan hanh » quan thanh, quang thanh, quang khanh
hanh cong » thanh cong, hang cong, hanh dong
ban nhanh » ban hanh, ban thanh, ban nhan
nhanh bac » nhanh ha, nhanh va
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc thieu)) xanh - hanh trinh quan hanh cong ban nhanh bac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) xanh - hanh trinh quan hanh cong ban nhanh bac*.