Perhaps you should try some spelling variations:
trang luan » tang luan, tranh luan, truong luan
trang tuan » tran tuan, trung tuan, trong tuan
hung cong » nhung cong, hung cuong, phung cong
cho chuc » cho chu, choi thuc, nhom chuc
cong ban » cong bang, cong san, cong tan
ban phan » ban phap, van phan, ban than
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chuc nang - hanh ((trang luan) OR (trang tuan)) hung cong ban phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chuc nang - hanh ((trang luan) OR (trang tuan)) hung cong ban phan dau".
• Adding a wildcard symbol may retrieve word variants: cho chuc nang - hanh ((trang luan) OR (trang tuan)) hung cong ban phan dau*.