Perhaps you should try some spelling variations:
trung cong » truong cong, trong cong, trung uong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
thiet anh » thien anh, thuyet anh, thien danh
cua trung » cua truong, xuan trung, cua nhung
cong cua » cong cu, dong cua, huong cua
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 thiet anh - thanh cong cua trung cong san ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet anh - thanh cong cua trung cong san ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: hoc thiet anh - thanh cong cua trung cong san ((phan cau) or (phan cac))*.