Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
theo chieu » theo tieu, ho chieu, theo chu
doc hieu » toc thieu, hoc thieu, hoc hien
cua dong » chua dong, cua cong, cua nong
cua dang » cua cong, cua ban
cong van » cong vang, cong san, song van
van vat » van chat, nhan vat
vat ban » van ban, va ban, vat ran

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) or (doc hieu)) xanh - hanh trinh ((cua dong) OR (cua dang)) cong van vat ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doc hieu)) xanh - hanh trinh ((cua dong) OR (cua dang)) cong van vat ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doc hieu)) xanh - hanh trinh ((cua dong) OR (cua dang)) cong van vat ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doc hieu)) xanh - hanh trinh ((cua dong) OR (cua dang)) cong van vat ban*.