Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
phuong cong » phuong dong, phung cong, phuong hoang
thien dang » thien bang, thien danh, thien nang
phong cong » phong chong, thong cong, chong cong
canh manh » lanh manh, canh tranh, cach mang
manh cuc » manh cua, canh chuc, nhanh cuc
van tan » van tuan, van ban, van tai
tan ban » toan ban, tang ban, van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thien thanh) or (thien dang)) - canh manh cuc ((phuong cong) OR (phong cong)) van tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thien thanh) OR (thien dang)) - canh manh cuc ((phuong cong) OR (phong cong)) van tan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thien thanh) or (thien dang)) - canh manh cuc ((phuong cong) OR (phong cong)) van tan ban*".