Perhaps you should try some spelling variations:
tieu trinh » tien trinh, tien thinh, trieu tinh
hanh trung » thanh trung, hanh trang, manh trung
tieu tinh » trieu tinh, lieu tinh, kieu tinh
trung tan » trung tuan, trung tran, trung tang
dung cong » dung trong
tan dung » tran dung, tin dung, van dung
cong dan » cong san, cong tan, huong dan
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 ((tieu tinh) OR (tieu trinh)) - hanh trung tan dung cong dan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tieu tinh) OR (tieu trinh)) - hanh trung tan dung cong dan ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((tieu tinh) OR (tieu trinh)) - hanh trung tan dung cong dan ((toan cao) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((tieu tinh) OR (tieu trinh)) - hanh trung tan dung cong dan ((toan cao) or (toan tap))*.