Perhaps you should try some spelling variations:
thanh chau » thanh cha, thanh cham, thanh hai
hoc thiet » hoc thieu, hoc thuyet, hoc hien
hanh tran » hanh trang, thanh tran, hanh tram
dung cong » dung trong
cong vang » cong lang, cong quang, cong ngang
thanh chu » thanh cha, thanh thu, thanh thuy
ho chiet » ho chieu, ho thiet, hoa thiet
tran van » luan van
van dung » van dong, xay dung, tin dung

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 (hoc thiet)) tach - hanh tran van dung cong vang ((thanh chau) or (thanh chu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (hoc thiet)) tach - hanh tran van dung cong vang ((thanh chau) OR (thanh chu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chiet) OR (hoc thiet)) tach - hanh tran van dung cong vang ((thanh chau) or (thanh chu))".
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) OR (hoc thiet)) tach - hanh tran van dung cong vang ((thanh chau) or (thanh chu))*.