Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
theo chieu » theo tieu, theo chu, thi chieu
thanh dung » thanh duong, thanh tung, thanh hung
chong van » thong van, hong van, phong van
ho chieu » hoc thieu, doi chieu, mot chieu
dao cao » dao tao, bao cao, do cao
tao cao » bao cao, toan cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chieu)) sach - thanh dung va nhung chong van ((dao cao) or (tao cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - thanh dung va nhung chong van ((dao cao) OR (tao cao)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sach - thanh dung va nhung chong van ((dao cao) or (tao cao))*.