Perhaps you should try some spelling variations:
thuyet thanh » huyet thanh, quyet thanh, thuyet trinh
hoc thuyet » hoc chuyen
thanh tung » thanh cong
cua truong » cua trung, xuan truong, cac truong
tung cua » trung cua, tuong cua, dung cua
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thuyet thanh - thanh tung cua truong ((cong tan) or (cong san)) ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thuyet thanh - thanh tung cua truong ((cong tan) OR (cong san)) ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: hoc thuyet thanh - thanh tung cua truong ((cong tan) or (cong san)) ((phan cau) or (phan cac))*.