Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh tranh » canh tranh, hanh trinh, hanh trang
mot chieu » doi chieu, ho chieu
tranh cua » doanh cua, manh cua
cua dang » cua cong, cua ban
nong ban » nong dan, nong san, nong van
dong ban » dong bang, dong san, dong bac

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