Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
thanh tung » thanh cong
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
chong ban » hong ban, phong ban, chong buon
ban chan » dan chan, ban than, ban nhan
tung va » trung va, tuong va, dung va
chan ap » han ap, khan ap, chan hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (thien anh)) - thanh tung va nhung chong ban chan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - thanh tung va nhung chong ban chan ap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - thanh tung va nhung chong ban chan ap*.