Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
ngang toan » nganh toan, dang toan
quang toan » quang tuan, quang tran, quang doan
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
theo chu » theo chieu, cho chu, chao chu
cua dung » cua dang, cua dong, qua dung

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

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