Perhaps you should try some spelling variations:
thong duong » tuong duong, thong dung, thong huong
doi chieu » doc hieu, doi chi, mot chieu
hanh dung » thanh dung, anh dung, hanh dong
cua thong » cua thuong, cua khong, cua tong
duong van » duong va, luong va, dang van
ho chieu » theo chieu, hoc thieu, mot chieu
dung cua » dung luan, dung cho
luan ban » luan van, luan san, luan han
toan ban » van ban

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: ((ho chieu) OR (doi chieu)) tinh - hanh dung cua thong duong van ((luan ban) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) tinh - hanh dung cua thong duong van ((luan ban) or (toan ban))*.