Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, chien tranh
thanh trung » thanh tung
trung phan » trung thanh, trung ha, dung phan
hien hanh » dieu hanh
phan hang » phan dang, phan hong, pham hang
hang cong » dang cong, hang nong, bang cong
tac thanh » bac thanh, cac thanh, tcc thanh
thanh cac » hanh cac, thanh bac, thanh ca
cong tac » cong ty

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) or (hien hanh)) - thanh trung phan hang cong tac thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien thanh) OR (hien hanh)) - thanh trung phan hang cong tac thanh cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien thanh) or (hien hanh)) - thanh trung phan hang cong tac thanh cac*.