Perhaps you should try some spelling variations:
trinh chuan » trinh quan, trinh luan, trinh phan
trinh han » trinh quan
bang cong » dang cong, bang song, hang cong
cong hang » cong thang, cong hung, cong lang
hang hang » nang hang, cang thang, hung thang
chi xanh » chi anh, chi danh, chi hanh
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - canh ((trinh chuan) OR (trinh han)) bang cong hang hang va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - canh ((trinh chuan) OR (trinh han)) bang cong hang hang va*".