Perhaps you should try some spelling variations:
thuan tach » thuat tach, thuan thanh, thuat sach
thanh dung » thanh duong, thanh tung, thanh hung
hoa thuan » ho thuan, hoa than, hoa phan
luan phan » luan van, luan hoan
phan cong » thanh cong
thoai cac » tai cac, thong cac, tho cac
cong dan » cong san, cong tan, huong dan
thai cao » tai cao, thuat cao, toan cao
khan cap » khan ap, than cap, khoan cam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoa thuan tach - thanh dung luan phan cong dan ((((thai cao) OR (thoai cac))) OR (khan cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoa thuan tach - thanh dung luan phan cong dan ((((thai cao) OR (thoai cac))) or (khan cap))~".
• Adding a wildcard symbol may retrieve word variants: hoa thuan tach - thanh dung luan phan cong dan ((((thai cao) OR (thoai cac))) or (khan cap))*.