Perhaps you should try some spelling variations:
hoc thuyet » hoc chuyen
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hoc thuat » hoc thuc, hoc chat, hoc thiet
vap nhung » va nhung, ve nhung, voi nhung
san thanh » ban thanh, van thanh, son thanh
thanh cap » thanh lap, hanh cap, than cap
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thuat) OR (hoc thuyet)) tach - ((thanh trung) or (thanh tung)) vap nhung cong san thanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thuat) OR (hoc thuyet)) tach - ((thanh trung) OR (thanh tung)) vap nhung cong san thanh cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thuat) OR (hoc thuyet)) tach - ((thanh trung) or (thanh tung)) vap nhung cong san thanh cap*".