Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
lieu tinh » trieu tinh, diep tinh, bien tinh
trinh cua » tinh cua, trinh luat, trinh quan
hoc lieu » hoc dieu, hoc sieu, hoc tieu
cua dang » cua cong, cua ban
cong san » cong tac
toan cao » toan ban
toan tap » 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 lieu tinh - hanh trinh cua dang ((cong san) or (huong dan)) ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc lieu tinh - hanh trinh cua dang ((cong san) OR (huong dan)) ((toan cao) OR (toan tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc lieu tinh - hanh trinh cua dang ((cong san) or (huong dan)) ((toan cao) OR (toan tap))*".