Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trung » thanh trung, hanh trang, manh trung
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - ((hanh trung) or (thanh tung)) cua nhung cong dan ((than cau) OR (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - ((hanh trung) OR (thanh tung)) cua nhung cong dan ((than cau) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - ((hanh trung) or (thanh tung)) cua nhung cong dan ((than cau) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - ((hanh trung) or (thanh tung)) cua nhung cong dan ((than cau) OR (than cap))*.