Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
nhieu tang » chieu sang, nhiet nang
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, hieu van
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
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: hoc ((((nhieu tang) or (hieu lang))) or (chinh sach)) - hanh trung cua nhung cong hach toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((nhieu tang) OR (hieu lang))) OR (chinh sach)) - hanh trung cua nhung cong hach toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((nhieu tang) or (hieu lang))) or (chinh sach)) - hanh trung cua nhung cong hach toan cau*.