Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh nang » anh nang, ganh nang, hanh mang
quan hang » quan hoang, quan lang, quan hanh
cong dan » cong tan, huong dan, cong dong
cong san » cong tac

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 nang) or (nhanh lang)) quan hang ((cong dan) OR (cong san)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - ((hanh nang) OR (nhanh lang)) quan hang ((cong dan) OR (cong san)) van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - ((hanh nang) or (nhanh lang)) quan hang ((cong dan) OR (cong san)) van ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - ((hanh nang) or (nhanh lang)) quan hang ((cong dan) OR (cong san)) van ban*.