Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh tuan » trinh quan, trinh toan, trinh luan
tuan nhung » quan nhung, tuan hung, thuat nhung
chi danh » chi dan, chi anh, chi dinh
cong tap » cuong tap, cong tac, tong tap
cong tan » cong tac, cong san, cong thanh
quan cau » quang cao, toan cau, quan cua
doi chi » doi khi
quan ha » quan he

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi danh - hanh trinh tuan nhung ((cong tap) or (cong tan)) ((quan cau) OR (quan ha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi danh - hanh trinh tuan nhung ((cong tap) OR (cong tan)) ((quan cau) OR (quan ha)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi danh - hanh trinh tuan nhung ((cong tap) or (cong tan)) ((quan cau) OR (quan ha))".
• Adding a wildcard symbol may retrieve word variants: doi chi danh - hanh trinh tuan nhung ((cong tap) or (cong tan)) ((quan cau) OR (quan ha))*.