Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung tuong, thuong luong
nhung huong » nhung phuong, nhung tuong, nhung cong
chieu sang » chieu sach, chieu xanh, hieu lang
thanh toan » thanh hoa, thanh san, tinh toan
doi chieu » doc hieu, doi chi, ho chieu
trung hoc » trung quoc
trung ha » trung tam, trung cap
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: doi chieu sang - thanh ((trung ha) or (trung hoc)) ((nhung luong) OR (nhung huong)) thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh ((trung ha) OR (trung hoc)) ((nhung luong) OR (nhung huong)) thanh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - thanh ((trung ha) or (trung hoc)) ((nhung luong) OR (nhung huong)) thanh toan cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh ((trung ha) or (trung hoc)) ((nhung luong) OR (nhung huong)) thanh toan cao*.