Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
nhung cong » dung cong, thong cong, hang cong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
ho thiet » hoa thiet, so thiet, hoc thieu
thong va » thong cua, truong va, thong qua
cong ban » cong bang, cong san, cong tan
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho thiet) or (hoc thiet)) tach - thanh thong va nhung cong ban ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho thiet) OR (hoc thiet)) tach - thanh thong va nhung cong ban ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((ho thiet) or (hoc thiet)) tach - thanh thong va nhung cong ban ((toan cau) or (toan cao))*.