Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cuong tap » luong tap, cong tac, luong tai
ho chieu » theo chieu, hoc thieu, doi chieu
cong tap » cong tac, cong tan, tong tap
toan cau » toan cao, toan ban, toan tap

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 tinh - hanh trinh cua nhung ((cong tap) OR (cuong tap)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh trinh cua nhung ((cong tap) OR (cuong tap)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh trinh cua nhung ((cong tap) OR (cuong tap)) toan cau*.