Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
trinh cua » trinh luat, trinh quan, trinh luan
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
doc hieu » toc thieu, hoc thieu, hoc hien
ho chieu » theo chieu, hoc thieu, doi chieu
tinh cua » sinh cua, tinh chat, tranh cua
toan cau » toan cao, toan ban, toan tap

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

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