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

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) OR (trung va)) nhung chong ban khan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - thanh ((tung va) OR (trung va)) nhung chong ban khan ap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien anh)) - thanh ((tung va) OR (trung va)) nhung chong ban khan ap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - thanh ((tung va) OR (trung va)) nhung chong ban khan ap*.