Perhaps you should try some spelling variations:
hanh trinh » canh tranh
tuan nhung » quan nhung, tuan hung, thuat nhung
nhung cong » dung cong, thong cong, hang cong
lieu tinh » trieu tinh, diep tinh, bien tinh
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
toan ban » van ban
co lieu » cot lieu, co hieu, so lieu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: co lieu tinh - ((hanh trinh) OR (hanh chinh)) tuan nhung cong hach toan ban~.
• Adding a wildcard symbol may retrieve word variants: co lieu tinh - ((hanh trinh) or (hanh chinh)) tuan nhung cong hach toan ban*.