Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, mot chieu
trinh van » trinh han, trinh quan, trinh toan
nang cong » nang song, dang cong, bang cong
ho chieu » theo chieu, hoc thieu, mot chieu
van nang » van quang, van ban, van dong
cong san » cong tac
san tuan » van tuan, san luan, san quan
tuan thu » toan thuc, van thu

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 (ho chieu)) xanh - hanh trinh van nang cong san tuan thu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (ho chieu)) xanh - hanh trinh van nang cong san tuan thu".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (ho chieu)) xanh - hanh trinh van nang cong san tuan thu*.