Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
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 chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
ran cau » van cau, ban cau, tran chau
can cau » van cau, ban cau, ca cau

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 tac ((ran cau) or (can cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh trinh cua nhung cong tac ((ran cau) OR (can cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh trinh cua nhung cong tac ((ran cau) or (can cau))*.