Perhaps you should try some spelling variations:
trinh chua » trinh chuan, trinh cua, trinh chu
hanh trinh » canh tranh, hanh chinh
cuong danh » cuon danh, huong dan, cuong linh
hoc chieu » hoc thieu, ho chieu, hoc dieu
chua xang » chua nang, chuc nang, chu bang
cong danh » cong dan, cong thanh, cong khanh
toan ban » van 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 chieu) or (hoc hien)) tinh - hanh trinh chua xang ((cong danh) OR (cuong danh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) tinh - hanh trinh chua xang ((cong danh) OR (cuong danh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (hoc hien)) tinh - hanh trinh chua xang ((cong danh) OR (cuong danh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) tinh - hanh trinh chua xang ((cong danh) OR (cuong danh)) toan ban*.