Perhaps you should try some spelling variations:
truong dao » truong dai, truong cao, truong bo
nhung cong » dung cong, thong cong, hang cong
soc thiet » hoc thiet, so thiet, toc thieu
truong va » truong dai, truong cao, luong va
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
ho chiet » ho chieu, ho thiet, hoc thiet
toan cau » 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 chiet) or (soc thiet)) tach - thanh ((truong va) OR (truong dao)) nhung cong hach toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (soc thiet)) tach - thanh ((truong va) OR (truong dao)) nhung cong hach toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chiet) or (soc thiet)) tach - thanh ((truong va) OR (truong dao)) nhung cong hach toan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) or (soc thiet)) tach - thanh ((truong va) OR (truong dao)) nhung cong hach toan cau*.