Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trinh » hanh chinh
chuan nang » chua nang, chuan trang, chuc nang
nang cong » nang song, dang cong, bang cong
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - ((hanh trinh) or (canh tranh)) chuan nang cong tan tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((hanh trinh) OR (canh tranh)) chuan nang cong tan tran ban.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((hanh trinh) or (canh tranh)) chuan nang cong tan tran ban*.