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
ho lieu » so lieu, co lieu, ho chieu
ho kieu » so kieu, thi kieu, ho chieu
van tan » van tuan, van ban, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho lieu) OR (ho kieu)) tinh - hanh trinh cua nhung cong ((xuan toan) or (van tan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (ho kieu)) tinh - hanh trinh cua nhung cong ((xuan toan) OR (van tan)) cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho lieu) OR (ho kieu)) tinh - hanh trinh cua nhung cong ((xuan toan) or (van tan)) cao*".