Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phuong, phong chong
nhung phong » nhung phuong, nung phong, nguong phong
thanh tinh » thanh binh, nhanh tinh, than kinh
tinh luan » trinh luan, binh luan, minh luan
manh toan » thanh toan, anh tuan, tinh toan
chu tinh » chau tinh, chua tinh, cuu tinh
toan ban » van ban
hoi chu » hoi chuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi chu tinh - thanh tinh luan ((phuong hoang) or (((nhung chong) OR (nhung phong)))) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi chu tinh - thanh tinh luan ((phuong hoang) OR (((nhung chong) OR (nhung phong)))) manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi chu tinh - thanh tinh luan ((phuong hoang) or (((nhung chong) OR (nhung phong)))) manh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoi chu tinh - thanh tinh luan ((phuong hoang) or (((nhung chong) OR (nhung phong)))) manh toan ban*.