Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
trinh quan » tinh quang, trinh luat, trinh han
doi chieu » doi chi, ho chieu, mot chieu
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong luan » tong luan, cong tuan, dong luan
hoang thu » hoang thi, hong thu, hoang thai
doc hieu » toc thieu, hoc thieu, hoc hien
hoang tu » hoang vu, hoang tuan, hoang tung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) OR (doc hieu)) xanh - canh trinh quan dung cong luan ((hoang tu) or (hoang thu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) xanh - canh trinh quan dung cong luan ((hoang tu) OR (hoang thu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doc hieu)) xanh - canh trinh quan dung cong luan ((hoang tu) or (hoang thu))".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doc hieu)) xanh - canh trinh quan dung cong luan ((hoang tu) or (hoang thu))*.