Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
trien kinh » tri kinh, trinh kinh, trien dich
hoc trien » hoc tren, hoc tien, hoc truyen
dong cong » duong cong, dung cong, dang cong
tinh cua » trinh cua, sinh cua, tinh chat
cong dan » cong san, cong tan, huong dan
toan tap » toan ban
toan cao » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc trien kinh - hanh ((tinh cua) or (trinh quan)) dong cong dan ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc trien kinh - hanh ((tinh cua) OR (trinh quan)) dong cong dan ((toan tap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc trien kinh - hanh ((tinh cua) or (trinh quan)) dong cong dan ((toan tap) or (toan cao))*.