Perhaps you should try some spelling variations:
thanh hang » thanh hoang, thanh thang, tranh hang
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
hoc dien » hoc hien, hoc vien, hoc dieu
dien mao » dien giao, dien va, dien dan
than cau » toan cau, phan cau, than cap
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 dien mao - thanh hang va ((nhung cong) or (thong cong)) dan ((than cau) or (khan ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dien mao - thanh hang va ((nhung cong) OR (thong cong)) dan ((than cau) OR (khan ap)).
• Adding a wildcard symbol may retrieve word variants: hoc dien mao - thanh hang va ((nhung cong) or (thong cong)) dan ((than cau) or (khan ap))*.