Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trung » thanh trung, hanh trang, manh trung
hoc chieu » hoc thieu, ho chieu, hoc hien
trung vap » trung cap, trung va, trung van
vap nhung » va nhung, ve nhung, voi nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh

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 vap nhung ((cong dan) or (cong tan)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh trung vap nhung ((cong dan) OR (cong tan)) van ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh trung vap nhung ((cong dan) or (cong tan)) van ban*.