Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
kieu tinh » lieu tinh, trieu tinh, diep tinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
hoc kieu » hoc dieu, hoc sieu, hoc tieu
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc kieu tinh - hanh trinh cua nhung cong tac ((toan cau) or (((toan ban) or (van ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc kieu tinh - hanh trinh cua nhung cong tac ((toan cau) OR (((toan ban) OR (van ban)))).
• Adding a wildcard symbol may retrieve word variants: hoc kieu tinh - hanh trinh cua nhung cong tac ((toan cau) or (((toan ban) or (van ban))))*.