Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
hach toan » thanh toan, manh toan
theo cuu » khao cuu, thao cua, theo yeu
theo chu » theo chieu, cho chu, chao chu
tac toan » tap toan, tam toan, tich toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo cuu) OR (theo chu)) tinh - hanh trinh cua nhung cong ((tac toan) or (hach toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo cuu) OR (theo chu)) tinh - hanh trinh cua nhung cong ((tac toan) OR (hach toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo cuu) OR (theo chu)) tinh - hanh trinh cua nhung cong ((tac toan) or (hach toan)) ban".
• Adding a wildcard symbol may retrieve word variants: ((theo cuu) OR (theo chu)) tinh - hanh trinh cua nhung cong ((tac toan) or (hach toan)) ban*.