Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh hang » thanh hang, hang hang, hanh han
nong doan » nong dan, cong doan, dong doanh
long doan » cong doan, dong doanh, rong doanh
hang cau » hang dau, hang ca, nhung cau
cau hang » cau hoang, cau thang, cuu khang
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu manh) or (thien thanh)) - hanh hang cau hang ((nong doan) OR (long doan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu manh) OR (thien thanh)) - hanh hang cau hang ((nong doan) OR (long doan)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((hieu manh) or (thien thanh)) - hanh hang cau hang ((nong doan) OR (long doan)) phan cau".
• Adding a wildcard symbol may retrieve word variants: toc ((hieu manh) or (thien thanh)) - hanh hang cau hang ((nong doan) OR (long doan)) phan cau*.