Perhaps you should try some spelling variations:
tieu manh » tien manh, hieu manh, tieu danh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
luan dong » luan cong, quan dong, luan nong
dong cong » duong cong, dung cong, dang cong
cong tan » cong tac, cong san, cong thanh
toan 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: theo tieu manh - hanh tang luan dong cong tan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu manh - hanh tang luan dong cong tan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo tieu manh - hanh tang luan dong cong tan ((toan tap) or (toan ban))*.