Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
thanh trung » thanh tung
hoc thien » hoc hien, hoc thieu, hoc thiet
trung cua » truong cua, trung tuan, trung cap
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan
phan cac » phan dau, phan van, phan xay
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien thanh - thanh trung cua tong cong dan ((((phan cac) or (nhan cach))) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - thanh trung cua tong cong dan ((((phan cac) OR (nhan cach))) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - thanh trung cua tong cong dan ((((phan cac) or (nhan cach))) or (phan lap))*.