Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
mot chieu » doi chieu
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
cua dang » cua cong, cua ban
nong van » song van, nong dan, tong van
nong san » cong san, dong san, nong dan
tuan tai » toan tai, quan tai, tan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (ho chieu)) xanh - hanh tranh cua dang ((nong van) OR (nong san)) tuan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (ho chieu)) xanh - hanh tranh cua dang ((nong van) OR (nong san)) tuan tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (ho chieu)) xanh - hanh tranh cua dang ((nong van) OR (nong san)) tuan tai".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (ho chieu)) xanh - hanh tranh cua dang ((nong van) OR (nong san)) tuan tai*.