Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
hieu lang » chieu sang, hieu quang, nhieu tang
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
thanh bac » nhanh bac, thanh bai, thanh san
hoc hieu » hoc thieu, hoc hien, doc hieu
cu thanh » cuu thanh, cua thanh, chu 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 hieu lang - hanh trinh quan ((hang cong) OR (bang cong)) cu thanh bac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu lang - hanh trinh quan ((hang cong) OR (bang cong)) cu thanh bac*".