Perhaps you should try some spelling variations:
mot chieu » doi chieu
hanh tang » hanh trang, anh tang, hanh mang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, tang luan
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
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: ((mot chieu) or (ho chieu)) xanh - hanh tang cua dung cong dan ((than cao) OR (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (ho chieu)) xanh - hanh tang cua dung cong dan ((than cao) OR (thai cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (ho chieu)) xanh - hanh tang cua dung cong dan ((than cao) OR (thai cao))".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (ho chieu)) xanh - hanh tang cua dung cong dan ((than cao) OR (thai cao))*.