Perhaps you should try some spelling variations:
hanh trang » thanh trung, hanh trinh, minh trang
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
dieu tinh » diep tinh, lieu tinh, dien tinh
dung cong » dung trong
hoc dieu » hoc thieu, hoc hien
cua dung » cua dang, cua dong, qua dung
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 dieu tinh - ((hanh trang) or (canh tranh)) cua dung cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu tinh - ((hanh trang) OR (canh tranh)) cua dung cong thanh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc dieu tinh - ((hanh trang) or (canh tranh)) cua dung cong thanh toan ban*.