Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo trieu » theo tieu, theo chieu, thep tieu
hanh manh » lanh manh, hoang manh, thanh minh
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo trieu tinh - ((hanh manh) or (hanh mang)) cua nhung cong tac ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo trieu tinh - ((hanh manh) OR (hanh mang)) cua nhung cong tac ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo trieu tinh - ((hanh manh) or (hanh mang)) cua nhung cong tac ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo trieu tinh - ((hanh manh) or (hanh mang)) cua nhung cong tac ((toan cau) OR (toan ban))*.