Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
cua dung » cua dang, cua dong, qua dung
cong van » cong vang, cong san, song van
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao

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 (theo chu)) xanh - hanh tranh cua dung cong van ((than cao) OR (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (theo chu)) xanh - hanh tranh cua dung cong van ((than cao) OR (thai cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (theo chu)) xanh - hanh tranh cua dung cong van ((than cao) OR (thai cao))".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (theo chu)) xanh - hanh tranh cua dung cong van ((than cao) OR (thai cao))*.