Perhaps you should try some spelling variations:
nhung hoang » khung hoang, phuong hoang, nhung lang
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
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu lang) or (nhieu tang)) - hanh trung cua ((nhung hoang) OR (nhung cong)) anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu lang) OR (nhieu tang)) - hanh trung cua ((nhung hoang) OR (nhung cong)) anh tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu lang) or (nhieu tang)) - hanh trung cua ((nhung hoang) OR (nhung cong)) anh tuan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu lang) or (nhieu tang)) - hanh trung cua ((nhung hoang) OR (nhung cong)) anh tuan ban*.