Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
tran hoang » tran hong, quan hoang, tran quang
trinh quan » tinh quang, trinh luat, trinh han
hoc thieu » toc thieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh luan
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - hanh trinh cua bang cong tan ((tran hoang) or (trinh quan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh cua bang cong tan ((tran hoang) OR (trinh quan)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh cua bang cong tan ((tran hoang) or (trinh quan))*.