Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, mot chieu
ho chieu » theo chieu, hoc thieu, mot chieu
mang cua » manh cua, dung cua, cong cua
cong tac » cong ty
quan cau » quang cao, toan cau, quan ha
ban cua » ban quan

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 (doi chieu)) sach - hanh ((mang cua) or (ban cua)) thong cong tac quan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - hanh ((mang cua) OR (ban cua)) thong cong tac quan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) sach - hanh ((mang cua) or (ban cua)) thong cong tac quan cau*.