Perhaps you should try some spelling variations:
nhung khuong » nhung phuong, nhung huong, nhung chong
khuong tinh » chuong trinh, phuong trinh, phuong binh
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
tang luan » dung luan
toan dang » toan mang, toan tang, tuan dang
tran dang » tran quang, tran hoang, tranh hang
thong tu » phong tuc, thong tin, thong ke

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu tinh - anh ((thong tu) or (tang luan)) nhung khuong tinh ((toan dang) OR (tran dang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - anh ((thong tu) OR (tang luan)) nhung khuong tinh ((toan dang) OR (tran dang)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - anh ((thong tu) or (tang luan)) nhung khuong tinh ((toan dang) OR (tran dang))".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - anh ((thong tu) or (tang luan)) nhung khuong tinh ((toan dang) OR (tran dang))*.