Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
quan nhung » cua nhung, luan chung, quang hung
cuong danh » cuon danh, huong dan, cuong linh
kien sach » dien sach, vien bach, kien mac
qua nhung » cua nhung, qua chung, chua nhung
hoc kien » hoc hien, hoc vien, hoa kien
cong tan » cong tac, cong san, cong thanh
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 kien sach - hanh trinh ((quan nhung) OR (qua nhung)) ((cong tan) or (cuong danh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc kien sach - hanh trinh ((quan nhung) OR (qua nhung)) ((cong tan) OR (cuong danh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc kien sach - hanh trinh ((quan nhung) OR (qua nhung)) ((cong tan) or (cuong danh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc kien sach - hanh trinh ((quan nhung) OR (qua nhung)) ((cong tan) or (cuong danh)) toan ban*.